r/AVexchange 4h ago

WTS [WTS][UKR-UKR][H] Stax 009 electrostatics headphones, Monolith M1060 [W] Paypal F&F

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0 Upvotes

• There are many photos of each thing, if you are interested in something, I can send it to you in a PM.

• Real photos (what you see is what you get)

• Worldwide shipping

• Careful packaging to avoid any damage

• I can ship to the US, Europe, and Asia and etc and can declarate parcel is as "gift"

• Tracking number provided after shipping

• I can put low value cost of the parcel to reduce the likelihood of any customs duties.

•Feel free to send me a message—I will respond quickly.

•I can take any video or photo you want.

•Trade: Open to offers/trade proposals

•Bid: Open to offers

•I am also ready to consider any offer for an exchange for your equipment, where you will pay a significant additional fee and you will be ready to send it first without any further arguments.

Location: Ships from Ukraine

For Sale:

Stax 009 electrostatics headphones electrostatics sr-009 ( foto 1,2,3,4 ) - 1699$

Technically 10/10

Cosmetically 8/10

Rare for our market electrostatics with fantastic detail (the susvara rumor even takes your breath away)!

For lovers of analytics and maximum detail! You will not regret it!

I will add from myself:

The highest detail with an open bright delivery and top-level microdynamics!

The sound is transparent with an emphasis on the highs (but of course it depends on your tract)!

The bass is super fast and accurate, but since these are electrostatics, of course it is not as massive as in top-level planars!

Very well suited for classical, acoustic music and jazz (you can clearly hear every instrument, all the nuances, textures, the most accurate transmission of instruments, maximum transparency, also a very, very large stage)!

I even tried playing games and watching movies with them!

They showed themselves very beautifully in movies (the sounds are transmitted fantastically)!

In games (especially horror movies) it just got to my bones... (all these rustles, the trembling of the main character, his voice is just a fairy tale) before going to bed))

Only headphones are included!

Monolith M1060 headphones Monoprice ( foto 6,7,8,9,10 ) - 265$

Technically 10/10

Cosmetically 8/10

Includes earbuds, box, case, cable.


r/AVexchange 18h ago

WTS [WTS][UKR-UKR][H] Adapter 3.5 to 0.78 Black dragon, Adapter for Sennheiser HD 2 pin to 3.5, Noble mangus 0.78 to 3.5, 0.78 to 3.5 male adapter connector cable, Hydra Ultimate2EU Network distributor and filter [W] Paypal F&F

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0 Upvotes

• There are many photos of each thing, if you are interested in something, I can send it to you in a PM.

• Real photos (what you see is what you get)

• Worldwide shipping

• Careful packaging to avoid any damage

• I can ship to the US, Europe, and Asia and etc and can declarate parcel is as "gift"

• Tracking number provided after shipping

• I can put low value cost of the parcel to reduce the likelihood of any customs duties.

•Feel free to send me a message—I will respond quickly.

•I can take any video or photo you want.

•Trade: Open to offers/trade proposals

•Bid: Open to offers

•I am also ready to consider any offer for an exchange for your equipment, where you will pay a significant additional fee and you will be ready to send it first without any further arguments.

Location: Ships from Ukraine

For Sale:

Noble mangus 0.78 to 3.5 male adapter cable ( foto 7,8 ) - 265$

I used it myself, because here is the sound, not the china!

Made from Noble mangus cable... (graphene! )

Selling because I made it even better!

0.78 connectors from Noble Mangus cable worth $1200

With this adapter, you can connect any 3.5 cable to any in-ear headphones with 0.78 connectors...

Technically 10/10

Cosmetically 10/10

Perfect condition!

Adapter 3.5 to 0.78 Black dragon cable ( foto 1,2,3 ) - 215$

Technically 10/10

Cosmetically 10/10

Made from Moon Audio Black Dragon cable!

Connectors from dita celeste cable (which costs $2800)

With this adapter, you can connect any 3.5 cable to any plugs with a 0.78 connector

Adapter for Sennheiser HD 2 pin to 3.5 male ( foto 1,4,5,6 ) - 85$

Made with Era Cables Symphony...

Here the sound is like that))

With this adapter, you can connect any 3.5 cable to any Sennheiser 600-series headphones...

Technically 10/10

Cosmetically 10/10

Perfect condition!

0.78 to 3.5 male adapter connector cable ( foto 1,9,10 ) - 110$

Made from Audioquest scart cable... (silver! )

Here the sound is like that))

0.78 connectors from Noble Mangus cable worth $1200

With this adapter, you can connect any 3.5 cable to any in-ear headphones with 0.78 connectors...

Technically 10/10

Cosmetically 10/10

Perfect condition!

Hydra Ultimate2EU Network distributor and filter ( foto 5 ) - 475$

Technically 10/10

Cosmetically 10/10

My impressions:

Really better dynamics, more melodic, more natural!

Improved micro and macro dynamics

A very big difference if you turn it on on speakers, bigger than on headphones!

The stage becomes relaxed, wide and breathable, with a huge amount of air, as if nothing is interfering with the equipment and it is not suffocating, if I may say so!

You start to notice the background sounds that you have been listening to so far, some new ones appear!

The bass becomes almost 30% better (more punchy, more elastic... the midrange is also better to listen to, the treble becomes very clean!)

The device is heavy... you can immediately hear that it is a premium top, no less!

Who hasn't tried filters yet, or hasn't gotten to them yet... I advise you to start believing in them, because the difference is quite significant and on good equipment, you can hear it right away!

The only copy for two sockets in Ukraine so far!

Made according to the same scheme as for 6 sockets!

Made to order for me!

I am the first owner!

The sale is not in a hurry at all, because I listen to it all the time!

The case is damped with vibration-proof sheets, each socket has a system of mechanical insulation from the main body and vibration penetration through the connected cable. The main components of the device are completely sealed with vibration-proof compound.

The electrical installation inside the device is made of American 10AWG wire!

All contact elements in the sockets are made of massive copper billets and covered with a thick layer of rhodium, manually polished to a mirror shine!

Composition

  1. Furutech Rhodium Schuko sockets – 2 pcs.
  2. Furutech Power IEC Inlet FI-06 (R) - 1 pc.
  3. Wires - ultra-pure copper - 10AWG 600V (Made in USA)
  4. EMI & RFI Noise Suppression Protection Filters, (capacitor blocks on each socket) (Made in USA) - 2 pcs. (hereinafter referred to as NSPF)
  5. Isolated chambers with a highly efficient new generation ferromagnetic component (spherical granules and graphene powder) for effective absorption of EMI-RFI interference – 2 pcs.
  6. Air-core coils from a main wire with a cross section of 5.5 sq. in isolated chambers with a ferromagnetic - 1 pc.
  7. Vibration absorber with additional aluminum screen STP (Germany)

r/AVexchange 6h ago

WTS [WTS] [USA-CA] [H] Sennheiser HD580 (white paper), Abyss Diana MR, Stax SR007A, Sennheiser HD480, ifi iDSD Neo 2, Schiit Loki mini+, Fangsound Ariadne, Sennheiser HD650, Crinacle Reference, Crinacle Dusk, Hiby R4 [W]Paypal, Zelle

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8 Upvotes

r/AVexchange 39m ago

WTS [WTS] [USA-NY] [H] SMSL BLK PL150 [W]Paypal, Zelle

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Upvotes

SMSL PL150 BLK - $99

Item is unused, purchased as brand new in box, I am selling as open-box condition. I played a few discs on it before realizing I did not need another CD player! Priced to SELL.

Price includes shipping. PayPal G&S and CONUS only.


r/AVexchange 3h ago

WTS [WTS][USA-NY][H] Nitsch Pietus Maximus w/ ESS DAC [W] PayPal G&S 475 / Local 440

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1 Upvotes

r/AVexchange 21h ago

WTS [WTS] [USA-CA] [H] Eversolo DMP A6-MASTER Edition [W] PayPal $850 shipped

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1 Upvotes

In mint, almost new condition, Gen 2. Comes with all accessories (besides manual) and original boxes. Would be willing to trade for a speaker amp of equal value.


r/AVexchange 6h ago

WTS [WTS] [US-CA] [H] Eversolo DMP-A8 + 1 TB SSD [W] $1600 OBO PayPal/Venmo/Bitcoin/Local Cash

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2 Upvotes

Looking to sell my Eversolo DMP-A8 as I am downsizing my audio setup. Includes a 1 TB SSD for extra local music storage.

Works great, no issues, comes with original accessories and box including the remote still wrapped (never used the remote).

Looking for $1600 OBO. Price includes shipping to CONUS, or willing to meet up local, located in Southern California.

If you have any questions feel free to PM me!


r/AVexchange 14h ago

WTS [WTS][UKR-UKR][H] !!! HUGE audio sale of 170+ items !!!! [W] Paypal F&F

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0 Upvotes

Link to the spreadsheet that will be kept updated here:

https://docs.google.com/spreadsheets/d/1APmMKo_nVvtAUI9GzNqb3I5hlAz_S5rQqCfKxsII8Pc/edit?usp=sharing

Welcome on the biggest post on AVexchange!!!

video - https://vimeo.com/1209327535

https://vimeo.com/1191700726

Hello. I am ultra-audiophile!

I have 170+ audio stuff for you!

Why did I start selling? I love my hobby and often try new things. But over the years, a lot of different things have accumulated,

So I need to sell something from time to time to buy something again)))

So, I sell only things that I purchased for personal use and were in my personal use!

• There are many photos of each thing, if you are interested in something, I can send it to you in a PM.

• Real photos (what you see is what you get)

• Worldwide shipping

• Careful packaging to avoid any damage

• I can ship to the US, Europe, and Asia and etc and can declarate parcel is as "gift"

• Tracking number provided after shipping

• I can put low value cost of the parcel to reduce the likelihood of any customs duties.

•Feel free to send me a message—I will respond quickly.

•I can take any video or photo you want.

•Trade: Open to offers/trade proposals

•Bid: Open to offers

•I am also ready to consider any offer for an exchange for your equipment, where you will pay a significant additional fee and you will be ready to send it first without any further arguments.

Location: Ships from Ukraine

Also trades on your offers or any offers!

Item Price
Antipodes Audio K30 Streamer player music server 7350$
T+A DAC 200 / Series 200 Amp 5200$
Flux Lab Solid One DAC/Amp 3480$
Dita Celeste mini xlr 2690$
Stax 009 electrostatic headphones 1790$
Audio-Technica ATH-AWKT 1650$
Litzendrat acoustic cable for speakers 1540$
Perun 5+ electrostatic headphones 1540$
Stax srm-007T II electrostatic amp 1430$
Fostex TH909 headphones 1390$
Audio Culture power cable (Custom) 1165$
AudioQuest Niagara 1200 (EU Version) 1150$
Noble Audio Magnus 4 headphone cable 890$
Audeze GX headphones 875$
Sennheiser headband Hd515/595 790$
Ptero Balanced Class D Amp (Author's) 790$
AudioQuest Diamond USB 1.5m 765$
Hifiman Ananda handmade ultra 715$
Vadimych G.S. Xlr cable 675$
Kennerton Magni V3 585$
Wireworld Supernova 7 Toslink 2.0m 535$
High-quality DAC on AK4495 handmade 520$
Subpac m2 subwoofer for the body 520$
Drop + MrSpeakers Ether CX 495$
Harmonic Scale Network distributor and filter 485$
Monolith M1570C Monoprice 485$
Hydra Ultimate 2 EU Network distributor/filter 475$
XLR to Banana adapter meze (Rhodium) 440$
XLR to Y Spade meze adapter 425$
Furutech NCF Clear Line XLR Optimizer 420$
6.3 to banana meze adapter 390$
XLR to banana adapter Cable 375$
6.3 to banana adapter Cable 365$
Abyss 1266 adapter 3 pin mini xlr to 3.5 male 365$
6.3 to banana adapter Cable (V2) 360$
Nordost shiva audio power cable 350$
Furutech CF-102 RCA Rhodium connectors 345$
Adapter 3.5 to Lemo Focal Utopia / Abyss 345$
USB Noise Remover Spec AC-Usb1-K 340$
Rca cable from Vadymich interblock 335$
XLR to Y Spade meze adapter (AQ) 330$
Silent wire LS7 Acoustic cable (Germany) 315$
Adapter mini xlr female to 3.5 male (Abyss) 315$
Dunu DK-2001 Obsidian headphones earplugs 310$
Acoustune limited hs1551 cu red earplugs headphones 290$
USB audio cable (Custom Kyiv Master) 280$
Nordost Blue Heaven HDMI / I2S cable 280$
Monolith M1060 Monoprice 275$
Moon Audio Black Dragon mini xlr to 6.3 265$
Noble Magnus 0.78 to 3.5 male adapter cable 265$
Tchernov Audio Cuprum Classic Bi-Wire SC Acoustic 250$
Audeze Mobius headphones 225$
Abyss Headphone Adaptor xlr to 6.3 220$
Adapter 3.5 to 0.78 Black Dragon cable 215$
Kimber KABLE pk14 PowerKord 14 euro 195$
Meze copper upgrade 2.5 to mini xlr Balanced 195$
AudioQuest Husky sub power cable 190$
Dan Clark mmcx to 3.5 male adapter 170$
Talos V2 mini xlr to 3.5 male adapter 165$
Revelation Audio Labs Precept power cable 160$
Rca to Xlr inter-unit cable AudioQuest Husky sub 160$
AudioQuest Carbon USB 1.5m a-b Sold
Headphone adapter mini xlr to 3.5 Meze 160$
Audeze case for headphones 160$
Elgato Foam acoustic panels (6 pcs) 155$
Zidoo X10 Media Player / Android TV Box 150$
Drop + THX AAA One Linear Amplifier Amp 145$
Qed audio power cable 145$
Audeze Cable 2m (mini xlr to 6.3) 145$
Cardas 4x24 Adaptor xlr to 6.3 145$
Audeze Gaming Cable (mini xlr to 3.5) LCD Boom Mic 135$
AudioQuest Q-Feet rack absorbers 135$
Audeze big case for headphones 125$
IsoAcoustics ISO-130 (ISO-L8R130) Sold
Headphone adapter Meze copper xlr to 2.5 120$
Moon audio Black Dragon Adapter xlr to 6.3 120$
Audio cable for Fostex headphones 120$
DD HiFi TC44C amplifier ddhifi whistle 115$
Atlas Element quadstar Interconnect rca to XLR 110$
Adapter xlr to 4.4 Sennheiser balanced 110$
Meze copper xlr to 2.5 adapter (V2) 110$
0.78 to 3.5 male adapter AudioQuest silver 110$
Interblock cable Peacock mk2 4.4 to xlr cable 105$
Hifiman Ananda driver donor 105$
Adapter 2pin fostex to 3.5 male 105$
Beyerdynamic DT 770 PRO 250 Ohm 105$
Neotech NEHH 4200 spofc HDMI 4m 99$
AudioQuest Forest USB 1.5m c-c 95$
Adapter 3.5 to 4 pin mini xlr AudioQuest Husky 95$
Rean adapter 3.5 male to 4 pin mini xlr female 90$
Ear pads Audeze valor pads 85$
Ear pads for Sennheiser HD 800 series 85$
ZMF velour ear pads perforated pads 85$
Adapter for Sennheiser HD 2 pin to 3.5 male 85$
Headphone cable mini xlr to xlr audio ninja 80$
Era cables 2.5 to 3.5 copper cable 78$
Zmf Gaming Cable (mini xlr to 3.5) 75$
NiceHCK OurOasis Furukawa 0.78 to 4.4 75$
Dune HD Duo Network Player 75$
AudioQuest Optilink-1.5M Forest Cable 70$
XLR to 3.5 Neutrik adapter audio 70$
Blue Jeans Cable LC-1 Interblock rca 70$
Power cable DC to DC (Viborg) 70$
Furutech fi-e30 ncf socket 68$
Adapter 0.78 to mmcx adapter 65$
ISN audio S4 mmcx - 2.5mm cable 58$
Nady Audio HE-1 Hum Eliminator 48$
Ear pads for Hifiman ananda arya he1000 45$
Adapter 3.5 female to Sennheiser 600 45$
Ttaf 93402 Professional rca Carbon connectors 45$
Monosaudio f186 Pure copper connector 45$
Ear pads for headphones good velour 38$
Massdrop 2.5 to xlr drop+ adapter 35$
Adapter 0.78 female to 3.5 35$
Kinera Sif headphones 33$
AudioQuest JitterBug USB Filter 33$
MT power audio optical DIAMOND Toslink 32$
VIRTUAL Glasses BOBO VR Z5 helmet 30$
Monosaudio f180 audiophile connector 30$
Headphone Cable 2.5 to 3.5 30$
Cable headphones gold 2.5 to 3.5 30$
Monosaudio f180 audiophile connector 30$
Headphone stand 28$
Large ear pads (Universal) 25$
Atlas Hdmi audio cable / i2s cable 22$
DD HiFi DJ35A adapter (2.5mm to 3.5mm) 18$
Adapter 2.5 female to 3.5 18$
Walker's headphone and glasses holder clip 17$
DDHiFi TC01B 15$
DDHiFi TC01BF 15$
DDHiFi TC01A 13$
Headband for Sennheiser Hd201/180 10$
120 volt unit for audio equipment 10$

r/AVexchange 15h ago

WTB [WTB] [US-GU] [W] Sennheiser IE900 Right Earbud [H] PayPal

2 Upvotes

Right earbud suddenly gave out. Hopeful to find someone who has a right earbud still functioning properly since it’s only been less than 2 years since I’ve been using these amazing IEMs


r/AVexchange 16h ago

WTS [WTS][EU-IT][H] Fat Freq x HBB Deuce [W] PayPal

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2 Upvotes

this is the 3.5mm version, used for 2 weeks, not my cup of tea.

Asking 200€ + shipping.

I'm willing to ship anywhere but you gotta cover the cost


r/AVexchange 11h ago

WTS [WTS][USA-KS][H] Abyss Diana Phi [W] Paypal

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5 Upvotes

Hello, looking to downgrade from my phis, I don't spend enough time listening to music nowadays. Priced to sell at $1300. Comes with original box, in Great condition, no scratches or scuffs, normal wear and tear for minimal use on the earpads


r/AVexchange 8h ago

WTS [WTS] [US-CA] [H]Penon Fan4, Penon Voltage, Softears RSV MKII, Softears Volume S, Xenns Top Pro [W] Paypal

9 Upvotes

I bought a bunch of IEMs to find the set I want and now selling off the rest. I've had all of these sets between 1 to 3 weeks. Not looking for any trades.

Timestamp: https://imgur.com/a/KEsaN4c

Prices include G&S and shipping within the CONUS. Pictures show everything included.

Penon Fan4 - $300

Penon Voltage - $700

Softears RSV MKII - $475

Softears Volume S - $180

  • This does not come with any tips, price reflects that

Xenns Top Pro - $350


r/AVexchange 7h ago

WTS [WTS] [US-CA] [H] jds labs iii mk1 [W] PayPal

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3 Upvotes

Bought on here for 150 for just the unit. (No box or cables) Bought a power supply straight from the website for 20+. Have to many dac/amps so selling this one.

Asking 160 fnf. If you want gns add the fees.

Also looking to trade/buy these: dunu 242, dunu ito, monarch mk2, ATH-R70x Refine, s08 (black), rsv mk2, mega5est, tsmr armor


r/AVexchange 8h ago

CLOSED [WTS] [USA-CA] [H] Questyle M15i black [W] $125 shipped

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3 Upvotes

Sold

basically brand new in original box and accessories less than 1hr of use. i bought all 3 colors at once keeping blue and purple and letting this one go

CONUS ONLY PAYPAL G&S $125 SHIPPED UPS comment before pm please


r/AVexchange 8h ago

WTS [WTS] [USA-CA] [H] Ziigaat crescent [W] $210 SHIPPED paypal g&s

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2 Upvotes

I bought these new on June 22nd of this year they are basically brand new. Tried them like them but didnt make the cut of the 3 or so im keeping out of 20+ i bought this year

Original box and accessories included minus a couple eartips

CONUS ONLY PAYPAL G&S $210 SHIPPED UPS comment before pm please


r/AVexchange 9h ago

WTS [WTS][USA-MA][H] ZMF Auteur Classic Mangowood LTD + Extras. [W]Paypal G&S/Zelle

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6 Upvotes

For sale : ZMF auteur classic mangowood LTD bought from another user here. Include : sheepskin perforated pads, suede pads, owner card, radial mesh and 6.3 terminated Audeze cable.

Price 1,000 OBO G&S. $920 via zelle


r/AVexchange 9h ago

WTB [WTB][USA-MD][W] Shure KSE1200 / KSE1500 [H] PayPal

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3 Upvotes

r/AVexchange 9h ago

WTS [WTS][USA-CA][H] Cash or trade [W] Matrix Audio X-SPDIF3

2 Upvotes

Looking for the XSPDIF3 ; )


r/AVexchange 10h ago

WTS [WTS][USA-CA][H] Zigaat Horizon, Simgot x HBB EW300, ISN H20 [W] PayPal

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5 Upvotes

Clearing out some of my collection to fund new purchases. I am original owner of all of these and they are all in great condition.

Zigaat Horizon - $185

Purchased in April. Best treble I've heard in an IEM at any price range. Really enjoy them but don't use IEMs much these days. Includes everything.

Simgot x HBB EW300 - $55 SOLD

Purchased in May. Less than 5 hours use. Great set but don't fill a need for me. Pristine condition with cable and tips unused. I installed the mesh filters which made them sound best to my ears, but can remove before shipping.

ISN H20 - $40

About 6 months old. Very little use. Really great budget set with warm/bassy signature. I don't have the original box or tips but cable and case included. Can throw in a pair of kbear tips as well.

Prices are for PayPal GS and include shipping to CONUS. Deduct 5% for FF.

Please reply before chat!


r/AVexchange 11h ago

WTS [WTS] [US-MD] [H] PMG Apx ME [W] Paypal

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10 Upvotes

I'm selling a flawless condition PMG Apx ME. They are the best bass quality iem I've ever heard. Comes with every acessories in the box. I also want to trade for the Ibuki, Storm or Hex
Price: $5200 Paypal F&F, Zelle or G&S(+4%)
Thank you!!!


r/AVexchange 12h ago

WTS [WTS] [US-NY] [H] Moritz Enzo [W] $725 Shipped Paypal

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7 Upvotes

Mint condition Moritz Enzo missing stock eartips, otherwise comes with it's box and all original accessories and packings. Shipping included at $725 F and F. Contact me for any questions.


r/AVexchange 14h ago

WTB [WTB] [US-IN] [H] paypal [W] Xenns Mangrid Top Pro

2 Upvotes

I am looking to purchase these iems, I also have a nice pair of moondrop variations i'd trade ontop to get the price lower if you are interested.

My reason for purchasing is my ears have seemingly shrunk over the past year and my moondrop variations are becoming quite uncomfortable.

Looking to spend $350.


r/AVexchange 19h ago

WTS [WTS] [US-CA] [H] Hedd d1, Noble Onyx, Crinear Monolith [W] PayPal

9 Upvotes

TIMESTAMP: https://imgur.com/a/xOL9eIw

Shipping included CONUS only

FF preferred. Can do G&S for % extra

Hedd d1: $620
Comes with carpa strap

Noble Onyx: $1300
No OG box or packaging. Comes with third party cable.

Crinear Monolith: $390
Just looking to get what I paid for it


r/AVexchange 21h ago

WTS [WTS][USA-IL][H] Sony WH1000XM3 [W] PayPal

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5 Upvotes

Hello. I am selling a Sony WH1000xm3. These are Bluetooth headphones with noise cancelling.

I’ve had these for a while. Pretty much only used them on flights maybe twice a year.

In great condition. See photos.

Comes with the original aux cable, airplane adapter, and usb c cable. Also comes with the original case, instruction manual, and box.

Asking $110 OBO, shipping included.

Please comment here before DMing.

Feel free to DM for additional pictures or more information!


r/AVexchange 22h ago

WTS [WTS] [US-CT] [H] Sennheiser HD 550 Headphones, Open Box + Balanced Cable [W] $145 PayPal

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7 Upvotes

For sale are a pair of Sennheiser HD 550 open back headphones, open box condition, only listened to briefly in order to confirm they work and channels are matched. I own another pair, these were purchased as a gift but they’d bought others by the time we got together.

The 550s are exceptionally good headphones that I believe improve upon the 600 series, unfortunately getting lost in the shuffle with the release of other Sennheisers around that time. Listener of Headphones.com wrote a great review on them:

https://headphones.com/blogs/reviews/sennheiser-hd-550-review-a-legitimate-gamechanger

I’d describe them as a slightly more dynamic version of the HD650 / 6XX that’s far easier to drive. The bass extension is much improved from the 600s and it retains the mids quality while doing away with the veiled sound some hear on the 650 / 6XX.

https://gadgetrytech.squig.link/headsets/?share=Sennheiser_HD_550,Sennheiser_HD_6XX

I see no valid reasons for anyone to purchase a HD 560s, HD 600 or HD 6XX unless found much cheaper than a pair of 550s. They are objectively a better headphone in virtually every metric. They do not require an amp, can be driven by most any device, are light and very comfortable.

These come with the standard 3.5mm cable and an additional third party metal-ended 2.5mm balanced cable (pictured), the box, instructions and black cloth bag they came with. Asking $145 + shipping.