Audio Proz Service and Sales


ADS L400

Audio Proz Inv #: 70278

Pair, Small 2-way speakers, Mismatch look cabs, 1" soft domes, 6.5" woofers - butyl surrounds, All drivers sweep OK, Dark cab separated top seams but no air leak, No grills, Condition #8

$ 108  Contact Us  

Cambridge Soundworks Channel II

Audio Proz Inv #: 70638

Stereo pair (2 units). Black, slim line design. Can be used as satellite with a subwoofer. Has really nice voice quality, but would be a better crossover. #9 condition.

$ 108  Contact Us  

Boston Acoustics Micro 90pv Powered Subwoofer

Audio Proz Inv #: 72613

8" Front facing driver (stamped frame), Butyl surround (treated with mink oil) sweep tested OK, volume control, NO FREQ ADJUST, power on/off/auto-OK, L&R line in & (Banana Posts) speaker level inputs, Black Oak Cabinet, black knit grill, 15 inch cube design, good deep bass for 8" driver, Cleaned switches heat ran 2+ hours. (Minor scuff on back cabinet edge & very small tare on grill cloth bottom corner), Condition #9-

$ 110  Contact Us  

Cambridge Soundworks Ensemble III Subwoofer

Audio Proz Inv #: 57998

Modified for better bass. Basic dual V.C. subwoofer only, no hi frequency feed thru. Small, decent volume bass. #9-

$ 118  Contact Us  

Boston Acoustics Micro 90PV

Audio Proz Inv #: 63974

8" Powered Sub-woofer. 14" size cube design. RCA and Speaker inputs. Volume and Frequency control. Unit in perfect low use condition, but cabinet grill scuffed up. #7+ condition White cabinet, white knit grill. 

$ 118  Contact Us  


Local customers, please do not come to the shop without calling ahead first - (617) 926-8020 - for an appointment, so that we can more efficiently help you with your equipment or sound recording needs.

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.


Bose PS 3-2-1

Audio Proz Inv #: 71137

1 powered subwoofer module. Custom bose control in. 9-pin in. No cables, no ac power cord. Untested. Good condition cosmetically. #9 condition. 

$ 118  Contact Us  

Yorkville Y110 Small Trapazoid PA Speaker

Audio Proz Inv #: 71332

(Original) 10" woofer accordion. Surround sweep okay. New piezo tweeter horn. Black carpet covered. Black metal grill. Pole Hole on bottom (1 7/8"). (2) 1/4" inputs. Carry strap has cracked plastic holders. Very forward voice. PA sound. #8- condition. 

$ 118  Contact Us  

Yamaha NS-10 pair

Audio Proz Inv #: 50679

Not the professional monitors, but a strange consumer audiophile product. Speaker driver is a 8ohm JA3502 full range 12" oval speaker with a "flat panel" sound effect, warm, thick, 1980's vintage midrange character. Sweep tested perfect, excellent cosmetic condition, mounted in beautiful walnut veneer cabs. These speakers come from Vince's personal collection of unusual speaker designs.

$ 120  Contact Us  

Cambridge Soundworks The Surround 5.1

Audio Proz Inv #: 58210

1 Pair, 8.5"T x 5.5"W x 6"D, Textured Grey with Grey Metal Perforated Grill. Bi-Polar/ Di-polar switch. High quality product #9 Condition.

$ 120  Contact Us  

ADS L570

Audio Proz Inv #: 61207

Vintage 2-way speaker, (1 only) 1" soft dome tweeter, 8" woofer/butyl surround (treated silicone), all drivers sweep test OK, light brown / slight orange, nice teak wood cabinet (not a semi gloss finish), black metal grill, very good sounding speaker, no mods, , #9+

$ 126  Contact Us  

Klipsch KG-2

Audio Proz Inv #: 43826

New horn diaphragm. 8" EPI woof w/ blue cone treatment. 10" passive radiator original. Walnut cab with brown knit grill. Excellent fidelity. Forward voice. One only for home "P.A." speaker. #7 condition.

$ 128  Contact Us  


Read about our Paradigm modifications here.


Boston HD 8

Audio Proz Inv #: 72181

(Pair) 2 way speakers, original tweeters, 1 1/4 inch soft dome, sweep tested OK, original Boston 8" woofers, refoamed by previous owner, heavier foam and some glue over edges but voice coil centered and sweep test OK, black oak cabinets, black knit grills (1), stock cross over but present voice, can be modified / improved, various scuffs on top and sides, back of cabinet minor moisture stains, some stains on grills, (woofers could be refoamed as original in future), condition #8

$ 128  Contact Us  

Carvin TS4415

Audio Proz Inv #: 41506

satelite speaker, pair

$ 135  Contact Us  

RA Labs Two way loudspeaker

Audio Proz Inv #: 37495

1 speaker only. Two way loudspeaker.

$ 140  Contact Us  

Cambridge Sound Works MC 500 Center Channel Speaker

Audio Proz Inv #: 72841

1" Soft Dome Tweeter. 4" Mid-range Butyl Surround. (2) 6" bass drivers Butyl Surround. All drivers sweep tested OK. Unique sound due to larger 6" drivers (same parts as used in other M-series stereo speakers). Flat grey cabinet charcoal knit grill. Condition #9-

$ 140  Contact Us  

Wireless FM Audio Sender

Audio Proz Inv #: 54097

Fits MTX Sub Woofer Systems

$ 148  Contact Us  

Dayton Loudspeaker 300-604 Stereo speaker selector

Audio Proz Inv #: 35776

 (6 speakers selector w/ transformers) 180 watts RMS per channel, input (20 to 30 watts per speaker). Button switches for independent  speaker operation from A/B input select.  Protection against low impedance and overload. New

$ 148  Contact Us  


We specialize in speaker repair and have OEM parts for ADS, AR, Advent, KLH, Scott, and many other brands. Call us at (617) 926-8020 for speaker parts or to inquire about our repairs and modifications.


Dayton Loudspeaker 300-604 Stereo speaker selector

Audio Proz Inv #: 35777

(6 speakers selector w/ transformers) 180 watts RMS per channel, input (20 to 30 watts per speaker). Button switches for independent  speaker operation from A/B input select.  Protection against low impedance and overload. New

$ 148  Contact Us  

Janszen Dual Panel Electrostatic 3-way speakers

Audio Proz Inv #: 7700

Four 5 3/4" Electrostatic Panels are all functional, 2 different woofer types. One is an Accordian Surround (red) other is an AR type foam surround, May need reconing in near future

$ 150  Contact Us  

RA Labs Center Channel Rev5A

Audio Proz Inv #: 26752

Double woofer speaker modified by AP to be a studio monitor quality speaker. Installed upgraded Peerless tweeter, better dampening on woofer cones, extra fiberglass dampening in cabinet, crossover design modified for phase correct midrange. Speaker is designed to sound slightly "punchy" and "present." 4ohms, 100watt power handling.

$ 160  Contact Us  

JBL E-120B 12" Woofer

Audio Proz Inv #: 37493

1 JBL High Power 8 ohm 12" driver. Recone/excellent spec., Metal dustcap, Bass P.A. driver.

$ 160  Contact Us  

Infinity RS-2001

Audio Proz Inv #: 28418

small 2 way speakers. excellent bass for small box. installed matched pair 6" woofers-$66 a peice woofers.

$ 160  Contact Us  

2 KLH Model 6 Woofers

Audio Proz Inv #: 28062

Model 67-8351. Square magnet, textile surround. #9 condition, original. Price is for the pair.  See our article on how we service & maintain vintage textile surrounds.  https://www.audioproz.com/AP.php?Article=127

$ 160  Contact Us  


Email Us or call (617) 926-8020 for more information about repairs and modifications. We carry many OEM replacement parts.


Bose Acoustimass 7

Audio Proz Inv #: 41489

Passive systems with woofer and two satellite speakers. #8 condition with #7 condition grills.

$ 160  Contact Us  

Samson Rubicon R6a

Audio Proz Inv #: 49203

Powered two way monitor speaker with 6" woofer and 1"x2" ribbon tweeter. 75w woof, 25w tweet. XLR, 1/4" TRS, and RCA inputs. Excellent condition single cabinet, all drivers sweep tested, ops manual included. Nice, potent sound.

$ 160  Contact Us