Audio Proz Service and Sales


Easyrider Aphex 108 face plate

Audio Proz Inv #: 45344

New old stock, never used. For two channel automatic compressor. White lettering with gray background and purple border. Perfect condition!

$ 18  Contact Us  

Easyrider Aphex 106 face plate

Audio Proz Inv #: 45342

New old stock, never used. For four channel automatic compressor. White lettering with gray background and purple border. Perfect condition!

$ 18  Contact Us  

Drawmer DL251

Audio Proz Inv #: 28453

Mint condition. full featured compressor with auto attack/threshold. xlr in/out must run true balanced line. all cleaned and calibrated excellent low use condition.

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Drawmer 1960

Audio Proz Inv #: 42383

Vacuum tube compressor. Multi-function tube based preamp/comp. Matched original tubes installed, all cleaned and calibrated, channels matched to 1 db! Gain reduction metering calibrated to within 2db. Fully updated and spec'd. Minor rack rash, #9 condition.

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Drawmer 1960

Audio Proz Inv #: 61971

audio pot switch, 15 pins, controls multiple functions depending on circuit, new, condition # 10

$ 34  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.


DBX module

Audio Proz Inv #: 40443

#205 RMS. Black body module.

$ 48  Contact Us  

DBX II 128

Audio Proz Inv #: 28047

Compressor, Dynamic Range Enhancer, Noise Reduction system. Front panel features: Above threshold/linear switch, level adjust, compress/expand ratio control, pre/post enhance, rec/play/bypass selection, tape/DBX disc selection, play level match control. Unit designed for cassette or reel to reel. Excellent cosmetic condition. Completely cleaned, serviced, and calibrated.

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DBX IC chip 146742

Audio Proz Inv #: 51683

IC Chip equivalent to DBX 1253. Four pieces available.

$ 8  Contact Us  

DBX IBX-DS

Audio Proz Inv #: 28040

Unit in excellent cosmetic condition. Transition level control, compression/expansion level control, impact recovery level, ambiance level, LED dynamics level meter, LED impact meter, compress/expand indicator, pre/post bypass, source/tape switches.

$ 140  Contact Us  

DBX 503

Audio Proz Inv #: 27352

Modified 3 band compressor/expander with vairiable control. Ground, power supply, and input gain modifications. Nice controls. Excellent unit.

The 503 is simply the rack mount version of the original 3bx expander design with 2 variations of circuits. 1 version 3bx used all discreet circuit parts and actually can sound a little tube like with some harmonic "thickness" due to the VCA design. This is a very rare version. The later second version used a custom made dbx IC used in most vintage products. Both 3BX are known to sound robust in comparison to modern 3BX XDS which can sound a little forward and slightly bright.

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DBX 209 VCA module

Audio Proz Inv #: 42613

New stock.

$ 50  Contact Us  


Re: International Shipping: We ship internationally often and have yet to encounter a problem or complaint. We are very careful to test the equipment before it’s packed and then to double box the machine with added protection when needed for front panels, etc. We are not amateurs or an ebay store; we know these machines very well and know what it takes to get them to you safely. We use USPS priority internationally which seems to be the cheapest. If you prefer another carrier (you should know who delivers to your area reliably) please let us know. Also please be aware of any tariffs that you may be responsible for upon pick up on your end. International shipping may be expensive but we will make sure it is not a headache on top of the cost. PLEASE NOTE THAT SHIPPING INTERNATIONALLY WILL BE A MINIMUM OF $16 EVEN FOR SMALL PARTS.


DBX 2001 VCA module

Audio Proz Inv #: 43559

New stock. 15v. Many available, please call.

$ 50  Contact Us  

DBX 200 VCA module

Audio Proz Inv #: 43465

New stock.

$ 50  Contact Us  

DBX 166XL (V)

Audio Proz Inv #: 43458

Dual channel compressor with peak limiter. Excellent fine tunable compressor and gate with adjustable attack. Perfect condition, as new, but missing original box.

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DBX 166A Compressor Limiter

Audio Proz Inv #: 59157

2 Channel inputs, outputs with independent controls for gain, limiter, expander/gate and compressor. Low use, calibrated channel tracking +/- 1db over 80db range. 9/10 condition, Unit is in great condition, some scratches on top but faceplate is nearly flawless.

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DBX 166A

Audio Proz Inv #: 55206

Threshold/ Release for Expander Gate Threshold/ Ratio/ Output gain for compressor Peak stop Level for Limiter Controls on Both Channels LED indicators/ OIU rack space XLR 1/4 inch out #9 Condition - Fully cleaned/ callibrated. Virtually unused.

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DBX 166A

Audio Proz Inv #: 27812

2 channel compressor w 1/4" and XLR connectors for inputs and ouptuts, excellent channel tracking, peak stop circuit, excellent expander gate, limiter, bypass, unit has excellent channel matching compression, well-built button controls, cleaned switches in excellent shape and works perfectly

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If you are having trouble finding parts, enter the name into our search bar at the top of the page. Please be aware there is a minimum $4-$6 to ship any part. International orders will be $14-$16 to ship for anything larger than an envelope. Shipping costs are non negotiable, so please, PLEASE do not ask for a part, or for us to search for, or quantify a part if you cannot pay for the shipping.


DBX 166A

Audio Proz Inv #: 55209

2 channel compressor limiter. Has broken gain put on 2nd channel. Unit otherwise appears to function fine. Top cover has deep dent. For parts or easy rebuild. Call for parts. 7- condition as is.

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DBX 166A

Audio Proz Inv #: 55205

Two channel compressor/ limiter Threshold/ Release Controls on Expander/ Late Threshold/ Ratio. Output gain on compressor Peakstop level on Limiter Contour/ Stereo Controls LED indicators, bypass control, #9 condition virtually unused. Minor rack rash.

$ 188  Contact Us  

DBX 166 Power Transformer

Audio Proz Inv #: 64206

With short leads for input AC 120V, no hardware, checked windings, ok tran, condition 8

$ 20  Contact Us  

DBX 166 Parts

Audio Proz Inv #: 54504

2 Overeasy compressor threshold aluminum shaft pot 20kb 8+ condtion used.

$ 16  Contact Us  

DBX 166 Output Gain Aluminum Shaft Pot 20KB

Audio Proz Inv #: 54502

DBX 166 Output Gain Aluminum Shaft Pot 20KB. 8+ used.

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DBX 166 LM7915CT 17AG DBX Regulator

Audio Proz Inv #: 54513

DBX 166 LM7915CT 17AG DBX Regulator. 9/10 condition.

$ 4  Contact Us  


We know you have many options for purchasing audio equipment and parts, and we truly appreciate your business.  We strive to offer good products at competitive prices.  While we can't always match the prices of one isolated reseller, we make up for it by carefully selecting, testing, and finding unique and special rare parts, and we are here for the long run.  We guarantee everything we sell and we hope it helps you to enjoy a great listening experience.

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.


DBX 166 LM340T15 DBX Regulator

Audio Proz Inv #: 54511

DBX 166 LM340T15 DBX Regulator. Heat sink attached. 8+ used.

$ 6  Contact Us  

DBX 166 Knobs

Audio Proz Inv #: 72113

(1) Blue cap knob $8, (7) Knobs no color cap on it $8, Special fit for narrow shift, condition 9

$ 8  Contact Us