Audio Proz Service and Sales


Alesis 3630

Audio Proz Inv #: 21433

1 rack space lightwieght design (thin depth), full control for attack/release, gate circuit (threshold and rate), stereo link, OK general semi-pro studio use, +4/-10dB out with RTS phone jacks, nice LED display, cleaned controls and switches. **New Low Price!** Mint condition with box and packing.

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Alesis 3630

Audio Proz Inv #: 21395

Compressor/limiter with gate, dual mono or stereo operation, -10dBV or +4dBu on each channel, side chain, LED readout, switchable Peak/RMS and hard knee/soft knee, 1/4" phono in/out, modest performance, semi-pro studio item, cleaned controls/switches, nice cosmetic condition.

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Aphex 106

Audio Proz Inv #: 26497

4 channel compressor, GAIN RANGING COMPRESSOR

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Aphex 320A

Audio Proz Inv #: 55203

Stereo Compressor Drive/ process/ balance/ threshold controls Process/ Rate/ Limiter Controls Stero Enhance. Output. GR meter select Has range/ operation Level/ Sensitivity/ For Pro or Consumer Serviced and calibrated 9+ Condition

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Aphex Compellor

Audio Proz Inv #: 28097

Compressor/enhancer. later version with updated circutry. XLR in and out only. Super Best quality compressor best sounding easy gain riding compressor. complete cleaning and calibration, excellent condition.

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We keep our database up to date with almost 10,000 items in stock. If you see a part number and a price, we have that item in stock.


Art Pro VLA II

Audio Proz Inv #: 59467

REV2. NEW. 2 Channel vactrol compressor. With 2 channel modified with compression EQ. Condition: 10.

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ART Pro Channel

Audio Proz Inv #: 48534

Tube mic preamp/compressor/equalizer. Super spec QC. Highly recommended machine! New stock. Super spec machine!

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ART Pro Channel

Audio Proz Inv #: 48537

Tube mic preamp/compressor/equalizer. AUDIO PRO MODIFIED: Tube Harmonic T.H.E. Bias control transformer in Vactrol EQ Mod. Highly recommended, Super noise spec machine!  QC, Test All. #10 new in box

$ 568  Contact Us  

ART Pro Channel

Audio Proz Inv #: 43860

Tube microphone preamp. Audio Pro Modified for tube harmonic enhancement circuit, high quality USA Sylvania 12AX7A tube, also has IN/OUT phase, second harmonic enhance Control. Six stage tube design for preamp, compression, and equalization. New stock fully QC'ed. With true tube "Gain Cell" compressor. Super spec unit.

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Art Pro VLA

Audio Proz Inv #: 50695

2 Channel Vactrol/ tube leveling amp, 2 TRS inputs/outputs, 2 XLR inputs/outputs, threshold, ratio, output controls, complete service, power supply mod 35V caps #9+ condition

$ 180  Contact Us  

ART PRO VLA II

Audio Proz Inv #: 58509

SN 1739 rev 4 modification. With PS MOD version 4 transformer. With deep bass enhancement, tunes transformer installed in vactrol. Voiced compressor to lessen a "crowded" mix in spatial midrange imaging. Transformer and enhancement now comes into mix when 2 LED's are lit on compressor. Super calibration, low noise channel spec matches + .5db over 58 db range. 9+ condition, new. Since people keep asking, I use an equalized transformer with capacitors and resistors �tuning� the transformer voice midrange slightly down is installed into the Vactrol circuit. This circuit now allows more bass depth and impulse response, as well as insures that high frequency and presence will not be compromised excessively. Also a little 2nd and 3rd harmonic is imparted on the audio to give a slightly thicker sound to the low midrange and up, somewhat like a tape recording or vintage tube/ transformer pre-amp. Except now everything is cleaner, less noise and stays calibrated same way every day every hour, you can lightly or heavily run the compressor for dramatic effects.. I've sent out this design to quite a few personal studios and the unit is some what tweaked for Rock and Roll or modern multi-instrument acoustic music. Some may have felt its most effective use is on tracking vocals.. Its really about combinations of mics and other matters when operating together.

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We keep our database up to date with almost 10,000 items in stock. If you see a part number and a price, we have that item in stock.


ART TCS Tube Compressor

Audio Proz Inv #: 37328

Tube Compressor, 2 channnel variable voicing, expander gate, xlr and 1/4" ins/outs

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ART Tube Channel

Audio Proz Inv #: 31550

New in box, one channel mic pre/comp/eq. New low price!

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ART VLA 500

Audio Proz Inv #: 58673

500 series format plug in. Top quality vactrol design. 10 (new) condition.

$ 248  Contact Us  

Ashley CL52

Audio Proz Inv #: 18983

Stereo compressor, phone in/out, lots of easy to read lights, channel to channel calibration is excelltn, completely cleaned all controls and switches, compression calibration tracks evenly over 50dB range, did mods to improve grounds and power supply noi

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Avalon VT-737SP

Audio Proz Inv #: 32899

New, Single channel esoteric tube processor, compressor,mic preamp, semi-parametric EQ.

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Behringer Composer MDX2100

Audio Proz Inv #: 23554

Demo, compressor/limiter/expander/gate, 2 channel, XLR and 1/4" ins and outs, original like new, better built, better performance, excellent high accuracy compressor, channel matching for tracking is superb

Units vary in retail cost due to condition. Real nice, modified, low use units get more money. The simple fact is this era design compressor is the same as the DBX XT !! But I modify many designs with more R.F.I. suppression and less R.M.S. detector noise getting into the audio V.C.A. (check the internet if not familiar with the abbreviations) Simply put, mods make a slightly cleaner, better accuracy and control of compression of the audio signals. This is done to accommodate today's higher quality signals from microphones and the intense dynamics in modern music.


**We want to be your Behringer dealer! After being among first to champion this great manufacturer, we are offering our most competitive pricing to be your Behringer supplier.**

$ 300  Contact Us  


We are presently operating on an APPOINTMENT ONLY basis. Please call us first at (617) 926-8020 to schedule an appointment before you come into the shop for repairs, rentals, product recommendations, consultations, or anything other than minor purchases.


Behringer Composter Pro-XL, MDX 2600

Audio Proz Inv #: 42434

Fully featured expander/gate, compressor, limiter, de-esser, and peak limiter. 2 channel (linkable), 1RU. Fully tested and cleaned. #9 condition, excellent.

**We want to be your Behringer dealer! After being among first to champion this great manufacturer, we are offering our most competitive pricing to be your Behringer supplier. WE WILL MEET ANY DEALER PRICES OUT THERE!**

$ 68  Contact Us  

Behringer Intelligate XR 2000

Audio Proz Inv #: 34678

Excellent mint condition as new, with original box, packing, and manual. Great multifunction 2 channel gate, excellent spec.

$ 220  Contact Us  

Behringer Intelligate XR-2000

Audio Proz Inv #: 42419

Fully featured gate with low and high cut eq filters, ducking, and dual/mono function. XLR and 1/4" in/out, with key ext 1/4" in/out. #9 condition, fully tested and cleaned. Discontinued, hard-to-find model.

$ 120  Contact Us  

Behringer MDX-1000 Autocom

Audio Proz Inv #: 17203

This is the older, more well built version compressor, actually a DBX 166 or 160x design (licensed to Behringer), with all controls and switches done better. I also correct a design flaw in these units (there is some sonic distortion and crosstalk of the controlling voltages into the VCA) and improve the power supply decoupling. Vince personally uses one of these units in his synth studio for final mix.

$ 200  Contact Us  

Behringer MDX-1400 Autocom Pro

Audio Proz Inv #: 30501

Compressor/limiter dynamic enhancer, enabling subtle and musical compensation for the bass “boost”

$ 80  Contact Us  

Behringer MDX-2100 Composer

Audio Proz Inv #: 26386

Composer Compressor, Has upgrade RMS detector mods. Super Low noise P.S. mods. Channel matching/compression calibration. Call for Details.

$ 280  Contact Us  


We are a very different kind of shop. To help ensure a smoother experience please read our letter about our current shop policies.

We keep our database up to date with almost 10,000 items in stock. If you see a part number and a price, we have that item in stock. 

Customers outside of the US, please note that international shipping can be costly (US Post $16 minimum - up to 8oz or 226g). We are glad to combine orders to reduce shipping costs. Take a look at our shipping policies for more information and estimates of prices and shipping time.


Behringer MDX1400 Autocom Pro

Audio Proz Inv #: 42521

SN: 001739244. Shop demo, good condition.

$ 80  Contact Us  

Behringer MX2000

Audio Proz Inv #: 57605

Super quality design. Similar to DBX160XT except 2 channels with noise gate. Heavy duty design. Very sophisticated gain ranging design with very accurate calibrated panel controls. Full in/outs for side chain use and phone XLR. Channel calibration within 1 db over 70 db dynamic range!!! Modification to RMS Detector to lessen RMS detector leakage into audio and nicer max compression effect for bigger sound. Low use, all cleaned, minor scuff on top and face. condition #9-

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