Audio

Audio Electronic Parts

At Electronic Surplus, we distribute the best audio surplus products on the market. From speakers and cables to alarms and buzzers, our selection of audio electronic parts is almost endless—if you're looking to buy overstock electronics, you’ll be able to find exactly what you need. With equipment from trusted manufacturers like Bose and Hitachi, you can have confidence in the quality of our inventory.  

Some of the audio electronic parts that we carry are brand-new, while others are slightly used. Upon arrival, all of our used audio surplus products are carefully inspected to ensure that they’re still working properly. You can also request an audio device if we don’t currently have it in stock.  

Browse our selection below.  

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  1. Unmarked 58 items
  2. Hitachi 2 items
  3. ACME 2 items
  4. Aerovox 1 item
  5. Alcoknob 2 items
  6. Aiphone Co Ltd 1 item
  7. Amperex 1 item
  8. Amphenol 2 items
  9. Arrow Hart & Hart 1 item
  10. Astatic 7 items
  11. Belden Wire 1 item
  12. Bose 1 item
  13. Bogen 1 item
  14. Calrad 20 items
  15. Carter-Craft 1 item
  16. Cetec Vega 1 item
  17. Cinch 1 item
  18. Clarostat 1 item
  19. COILCRAFT 1 item
  20. Conneaut Audio Devices 2 items
  21. CRL 1 item
  22. Custom 2 items
  23. CTI 1 item
  24. CTI Audio Inc 2 items
  25. CTI INDUSTRIES 1 item
  26. ECS INC 1 item
  27. Edwards Signaling Products 2 items
  28. EIMAC 1 item
  29. Dreree 1 item
  30. ELECTRO CAP 1 item
  31. FAIRCHILD 1 item
  32. FUJITSU 1 item
  33. Floyd Bell Inc 1 item
  34. GUDEMAN CO. 1 item
  35. International Co. 1 item
  36. International Components Corp 1 item
  37. JAPAN 1 item
  38. KNOBS INC - Berkeley 1 item
  39. JENSEN 1 item
  40. JVC 1 item
  41. KNOWLES ELECTRONICS,LLC 3 items
  42. Line Electric 1 item
  43. LINE ELEC 1 item
  44. Mallory 1 item
  45. Matsushita 2 items
  46. MG 1 item
  47. MG ELECTRONICS 1 item
  48. MICHIGAN MAGNETICS 1 item
  49. MCM ELX 1 item
  50. Mallory/Electrosonic 2 items
  51. Motorola 2 items
  52. Morse 1 item
  53. MILITARY 1 item
  54. Texas Instruments 1 item
  55. Murata Erie 2 items
  56. MSP 1 item
  57. Mynthal 1 item
  58. NOBLE 1 item
  59. NTE Electronics Inc. 3 items
  60. Philips 2 items
  61. Nortronics 1 item
  62. Philco 2 items
  63. Pfantone 13 items
  64. Panasonic 1 item
  65. Quorum 1 item
  66. RADIX GROUP INT'L 1 item
  67. PROJECTS UNLIMITED 9 items
  68. Primo 1 item
  69. RCA 2 items
  70. Samsung 1 item
  71. S 2 items
  72. ROHM 2 items
  73. Rockwell 1 item
  74. Rogan Brothers 2 items
  75. Russound 1 item
  76. Sanyo 2 items
  77. Shure 1 item
  78. Schadow 1 item
  79. Selenium Brazil 1 item
  80. SEACOR 1 item
  81. Signal Division 1 item
  82. Sprague 2 items
  83. Sonetronics 1 item
  84. Sonalert 1 item
  85. STACKPOLE 1 item
  86. Star 2 items
  87. STK Electronics Inc 1 item
  88. Toshiba 3 items
  89. THOMAS 1 item
  90. TOA 5 items
  91. TRANSFORMER TECH 1 item
  92. Western Electric 2 items
  93. Westinghouse 1 item
  94. Woods 1 item
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Items 169-192 of 241

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  1. CTI - 461250000 - Audio, microphone element.
    CTI - 461250000 - Audio, microphone element.
    $5.99
    Audio, microphone element. Dimensions: 0.801" D x 0.978" deep, 2 wire. Learn More
  2. CONNEAUT AUDIO DEVICES - EPS-1-RK - PHANTOM POWER SUPPLY RACK MOUNT KIT
    CONNEAUT AUDIO DEVICES - EPS-1-RK - PHANTOM POWER SUPPLY RACK MOUNT KIT
    $10.00
    PHANTOM POWER SUPPLY RACK MOUNT KIT FOR ONE OR TWO EPS-1 / MOUNTED IN STANDARD 19" EQUIPMENT RACK (MANUF. CONNEAUT AUDIO DEVICES) Learn More
  3. CETEC VEGA - R-31 Pro - Microphone Transmitters (2) 203.2 & 215.2MHz
    CETEC VEGA - R-31 Pro - Microphone Transmitters (2) 203.2 & 215.2MHz
    $95.00
    Two separate Mike Transmitters in one 1.75" rack. Freq: 203.200 & 215.200 Front panel: Switchable Meter for Transmit and Audio, 1/4" jack for audio out monitoring. Rear panel: Female XLR input, 6-pin DIN, UHF Female Tx Output, Mic/Line switch FCC ID BFD9EG8229 D.O.C. T.A.N. E8515 FCC part15 Learn More
  4. Calrad - 35-529 - Connector, audio. "Y" adaptor.
    Calrad - 35-529 - Connector, audio. "Y" adaptor.
    $1.75
    Connector, audio. "Y" adaptor, 3.5m mono male plus to 2 RCA male plugs. Length: 12". Color: Gray. Note: Package double marked JC6. Learn More
  5. Carter Craft Communications - 90-012 - CB/HAM Radio Alternator / Generator Filter, 3 to 30 MHz.
    Carter Craft Communications - 90-012 - CB/HAM Radio Alternator / Generator Filter, 3 to 30 MHz.
    Special Price $8.98 Regular Price $12.95 As low as $7.98

    Carter Craft Communications - 90-012 - CB/HAM Radio Alternator / Generator Filter, 3 to 30 MHz.

    Radio Noise Suppressor Filter

    Maximum Current: 25 Amps

    Filters "Whining" Noise from Generator Brushes

    Easily Installed in Minutes

    Large Inductor and Tunable Ceramic Capacitor design for maximum efficiency

    For 6, 12 or 24 VDC Systems

    Installation instruction attached and on Packaging.

    New Old Stock - Made in USA

    Alternate / Equivalent: Monarch GNF-1

    Learn More
  6. New  - ASTATIC - 9000 - Power Module 9000 - Mic In/Out
    New - ASTATIC - 9000 - Power Module 9000 - Mic In/Out
    Special Price $18.98 Regular Price $24.50 As low as $16.98

    ASTATIC - 9000 - Power Module 9000 - Microphone In/Out

    Astatic Corp was based on Conneaut Ohio for many years. Although they primarily produced microphones for voice-frequency communications work, they also made higher-fidelity models which are much less common. The company reorganized as Omnitronics LLC in 2000, and later combined CAD, Astatic and Omnitronics under the CAD Audio brand.

    Model PM-9000 power module houses microphone electronics and features a superior low noise transformerless design for optimum frequency response. The PM-9000 power module also includes a switchable 12dB per octave high pass filter. The PM-9000 can be mounted either with 4 mounting screws or double-sided foam tape. 

    Power Module - with High Pass Bypass / 12db Octave High Pass Switch

    Miniature 3-pin male In / Mic XLR Male Out

    Body: 5-1/2" L x 1-5/16" 5.5"Long Heatsinked Unit with mount x 2" Wide for Powering Lavilier Microphone

    Made in the USA by Astatic

    Bulk purchased Directly from Astatic. New Old Stock 

    Learn More
  7. AMPHENOL - 71-5S  / 86715S -  (AMP 8-087)  5 Pin Male Mini Microphone Speaker Plug Connectors Mates TO 78-S5S.
    AMPHENOL - 71-5S / 86715S - (AMP 8-087) 5 Pin Male Mini Microphone Speaker Plug Connectors Mates TO 78-S5S.
    Special Price $3.98 Regular Price $6.95 As low as $2.98

    AMPHENOL - 71-5S - AMP ( 8-087) 5 Pin Male Mini Microphone Speaker Plug Connectors Mates TO 78-S5S.

    Male 5 Pin.

    Material: Phenolic Body.

    Dimensions: 0.63" D x 0.43" high.

    Pins: 0.092 D x 0.5" long.

    ONE NEW old stock Amphenol 71-5S (Amp 8-087) 5 pin miniature microphone, molded speaker plug (mates with Amphenol 91-MPF5 and 78-S5S).

    High quality compact connector with pin circle diameter of 0.343" and  0.1" OD pin contacts for vintage radio, stereo and other equipment. 

    Phenolic element with nickel plated brass prongs.

    Polarized by pin configuration.

    Rated at 500Vrms and 5Amp.

    Note: Wires are inserted into the hollow pins from the back and soldered inside the pin.

    Very strong. Looking at the pin end, the 5 pins are on a 0.4" circle. If pin 1 is at 0 degrees, move CW, pin 2 is at 60 ; pin 3 is at 150; pin 4 is at 240 and pin 5 is at 300.

    Color: Black.

    Alternate: 86-71-5S

    Mates to our 8-087-1 SKU163779 female, sold separately.

    Learn More
  8. Conneaut Audio Devices - CADAPAsst-Black - Audio. Miniature Pickup. 43672 Black 3-wire.
    Conneaut Audio Devices - CADAPAsst-Black - Audio. Miniature Pickup. 43672 Black 3-wire.
    Special Price $1.98 Regular Price $2.95 As low as $1.49

    Conneaut Audio Devices - CADAPAsst -Black - Audio.

    Miniature Pickup.

    43672 Black

    3-Wire Devices

    Approximate Dimensions: 12.6 x 8.2 x 19mm-long

    CAD Audio was founded in 1988 as the Pro Audio division of Astatic Commercial Audio Products, a manufacturer of boundary and installed microphones.

    Learn More
  9. Calrad - DT-50K - Microphone cartridge 10-42.
    Calrad - DT-50K - Microphone cartridge 10-42.
    $9.99
    Microphone cartridge, dynamic. With transformer. New. Learn More
  10. Unidentified MFG - AK-0133 - Audio, head. For RCA RP-2421 CD players.
    Unidentified MFG - AK-0133 - Audio, head. For RCA RP-2421 CD players.
    Special Price $1.98 Regular Price $4.00 As low as $1.69
    IN STOCK - MORE THAN 100 READY TO SHIP!

    AK-0133 Audio, Head.

    For RCA RP-2421 CD players.

    Mount: Flange.

    Audie Head Dimensions: 0.325" X 0.100" 

    Approximate Dimenasions: Length 0.75" X Width 0.50" X Depth 0.325"

    Extra covering of Insulating Electrical Tape 

    Learn More
  11. Pittway Corp - BA5300 - First Alert Magnetic Contacts.
    Pittway Corp - BA5300 - First Alert Magnetic Contacts.
    $10.00
    READY TO SHIP - ONLY 60 LEFT IN STOCK!

    Pittway Corp - BA5300 - First Alert Magnetic Contacts.

    FIRST ALERT PITTWAY MODEL BA5300 MAGNETIC CONTACTS

    Two (2) sets of contacts for surface mounting.

    Complete with hardware and installation instructions.

    Pittway Corp.

    Learn More
  12. Pittway Corp - BA5100 - First alert door intrusion transmitter.
    Pittway Corp - BA5100 - First alert door intrusion transmitter.
    $10.00
    READY TO SHIP - ONLY 38 LEFT IN STOCK!
    First alert door intrusion transmitter. With built-in magnetic contact. Complete with hardware and installation instructions. Pittway Corp. Learn More
  13. Pittway Corp - BA5103 - First alert window intrusion transmitter.
    Pittway Corp - BA5103 - First alert window intrusion transmitter.
    $10.00
    READY TO SHIP - ONLY 48 LEFT IN STOCK!
    First alert window intrusion transmitter. Complete with one set of external magnetic contacts. Hardware and installation instructions. Pittway Corp. Learn More
  14. Pittway Corp - BA5102 - First alert personal emergency transmitter.
    Pittway Corp - BA5102 - First alert personal emergency transmitter.
    $10.00
    READY TO SHIP - ONLY 12 LEFT IN STOCK!
    First alert personal emergency transmitter. Complete with carrying care and owner's manual. Use with family protection receiving module. Pittway Corp. Learn More
  15. CLAROSTAT - VR-003 - Rheostat. 2 Ohm. Vintage Radio Tube Filament  Control, New Old Stock
    CLAROSTAT - VR-003 - Rheostat. 2 Ohm. Vintage Radio Tube Filament Control, New Old Stock
    Special Price $6.98 Regular Price $8.50 As low as $4.98
    IN STOCK - MORE THAN 500 READY TO SHIP!

    CLAROSTAT - VR-003 - Rheostat. 2 Ohm. Vintage Radio Tube Filament Control, New Old Stock.

    Used in series with tube filaments to adjust current. Extends the "useful" life of RF tubes to keep the emission of the tube above the recommended minimum for the maximum amount of time.

    Resistance: 2 Ohm.

    Technology: Wirewound.

    Mount: Panel.

    Threaded Bushing: 3/8" D x 11.3mm long,

    Shaft: 1/4" D x 2.5mm high. Screw Driver Adjustable.

    Contacts: 2 Solder Hooks.

    Marked 140-660, X-4094-C.

    Alternates/Similar: Carter Radio Co. / Central Radio Laboratories Pot Control Wire Wound Rheostats

    Genuine Vintage Clarostat - New Old Stock 

    Made in USA

    Learn More
  16. CTS - 3457846-3 - Potentiometer. 50 Ohm.
    CTS - 3457846-3 - Potentiometer. 50 Ohm.
    Special Price $8.98 Regular Price $12.50 As low as $6.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    CTS - 3457846-3 Potentiometer.

    Vintage Electric Guitar or Tube Amplifier Potentiometer.

    Resistance: 50 Ohm.

    Mount: Panel Mount.

    Dimensions: 23.6mm Diameter x 11.4mm High.

    Threaded bushing.

    Shaft: D Shaft, 1/4" Half flattened x 9.5mm Long.

    Contacts: Solder Terminals.

    Date Code: 8046 = Manufactured 46th week of 1980

    Genuine CTS Potentiometer, New Old Stock 

    NOTE: EIA code for CTS is 137

    Proudly Made in USA

    Learn More
  17. CTS 864296-1 1378507 Panel / PCB Mount 90 Ohm, Potentiometer Linear, USA
    CTS 864296-1 1378507 Panel / PCB Mount 90 Ohm, Potentiometer Linear, USA
    Special Price $4.98 Regular Price $6.95 As low as $2.98

    CTS Electronic Components - 864296-1 - 1378507 Panel Mound Potentiometer.

    Resistance: 90 Ohm.

    Power: Approximately 3/4 watt.

    Mount: Panel or PCB

    Contacts: PCB Terminals.

    Dimensions: 16.3mm Diameter x 9.4mm High.

    Note: Brass Threaded Bushing Length: 1/4".

    Shaft: 3.9mm Diameter, 0.375" Long Plastic "D" Shaft.

    Anti-Rotation & Brass Hardware 

    Silver Terminal Tarnish does not affect operation.

    Genuine Vintage CTS - New Old Stock

    Applications: Music/Audio/Guitar

     

    Learn More
  18. NTE Electronics Inc. - NTE1842 - IC, audio. FM/AM IF system.
    NTE Electronics Inc. - NTE1842 - IC, audio. FM/AM IF system.
    $6.88
    IC, audio. FM/AM IF system. Supply voltage: 8V. Dissipation: 500mW. Operating temperature: -25 to 75 Deg C. Package: 16 Dip. Note: Cross: ECG1842. Learn More
  19. NTE Electronics Inc. - NTE1843 - IC, audio. FM front end.
    NTE Electronics Inc. - NTE1843 - IC, audio. FM front end.
    $4.69
    IC, audio. FM front end. Supply voltage: 8V. Dissipation: 750mW. Operating temperature: -25 to 75 Deg C. Package: 9 Sip. Note: Cross: ECG1843. Learn More
  20. NTE Electronics Inc. - NTE1873 - IC, audio. 2 Input audio/video switch.
    NTE Electronics Inc. - NTE1873 - IC, audio. 2 Input audio/video switch.
    Special Price $4.98 Regular Price $6.50

    NTE Electronics Inc. - NTE1873 - IC, Audio.

    2 Input audio/video switch for VCR system.

    Package: 7 Sip.

    Alternate: ECG1873.

    Learn More
  21. NOBLE - 20A10K - Potentiometer, Slide. 10K Ohm.  2 Channel, Audio Logarithmic.
    NOBLE - 20A10K - Potentiometer, Slide. 10K Ohm. 2 Channel, Audio Logarithmic.
    Special Price $2.98 Regular Price $3.50 As low as $1.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    NOBLE - 20A10K Potentiometer, Slide, Audio.

    Stereo Slider Potentiometer. Fader

    Resistance: 10K Ohm.

    Note: 2 CHannel Logarithmic.

    Audio Taper 10K.

    Travel: 2.25".

    Shaft: 12.5 G

    Dimensions: 3.5" long x 0.50" wide x 0.50" high.

    Above Board 0.05" high. Shaft: Forked 0.078" Thick x 0.235".

    Genuine Vintage Noble - New Old Stock

    Note: Used on various audio equiment as well as equalizers. 

    Made in Japan

    Learn More
  22. Motorola - 18-82265J02 - Potentiometer. 25K Ohm w/SPST Switch.
    Motorola - 18-82265J02 - Potentiometer. 25K Ohm w/SPST Switch.
    Special Price $7.98 Regular Price $9.50 As low as $6.98
    READY TO SHIP - ONLY 58 LEFT IN STOCK!

    Motorola - 18-82265J02 Potentiometer.

    Resistance: 25K Ohm.

    Mount: Panel

    Connections: Solder Lugs

    With a Rotary SPST switch. Open/Off when turned maximum to the left, like a volume control On/Off switch.

    Dimensions: 16mm D, 3.1mm D flatted shaft.

    New In Box,  w/o mounting nut.

    Made by CTS for Motorola.

    Genuine Motorola - New Old Stock - Quality Made

    Applications: Radio Switch Potentiometer

    Learn More
  23. CRL - 1346405 - Linear Taper Potentiometer. 2Meg Ohm with SPST Switch. Guitar Amp Control/Switch.
    CRL - 1346405 - Linear Taper Potentiometer. 2Meg Ohm with SPST Switch. Guitar Amp Control/Switch.
    Special Price $12.98 Regular Price $18.50 As low as $10.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    CRL Centralab - 1346405 Linear Taper Potentiometer with SPST Switch

    2Meg Ohm Rotary Potentiometer with SPST switch.

    Contact Ratings: 3Amp 125VAC / 1Amp 250VAC.

    Dimensions: 23.9mm D x 16.6mm high.

    Overall with terminals: 30.9mm D.

    3/8" Thread and mounting hole.

    Contacts: Solder Terminals.

    Mount: Panel Mount

    Shaft: Slotted Split & Straight Spline/Knurled Shaft

    Construction: Threaded Collar, Phenolic Wafer, Metal Housing

    Dimension: Bushing length 7.7mm long. Shaft 1/4" Slotted, 15.5mm long.

    Underwriters Laboratories Approved

    Genuine Vintage Centralab - Rare New Old Stock

    Part marking "1346405" Decodes to Manufactured by Centralab (134- EIA code) the fifth week of 1964 (Date code 6405).

    Applications: Common to some Guitar Amplifiers.

    Proudly Made in USA

    Learn More
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