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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Shaft Size  
$0 $1 $0 to $1
Pin  
$3 $53 $3 to $53
Length  
$0 $15 $0 to $15
Capacitance  
$100 $12000 $100 to $12000
Less than 1uF  
0.1uF 0.15uF 0.1uF to 0.15uF
VAC  
Capacitance uF  
2uF 12uF 2uF to 12uF
Connection  
Ω - ohm  
90Ω 2Ω to 90Ω
Contact Gender  
kΩ - kilo-ohm  
10kΩ 25kΩ 10kΩ to 25kΩ
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DC Voltage  
4v 400v 4v to 400v
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Hz  
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Manufacturer  
  1. Unmarked 57 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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$0 $379 $0 to $379
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21 Items

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  1. 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
  2. Calrad - DT-50K - Microphone cartridge 10-42.
    Calrad - DT-50K - Microphone cartridge 10-42.
    $9.99
    Microphone cartridge, dynamic. With transformer. New. Learn More
  3. Calrad - 10-92 - Microphone, electrent condenser.
    Calrad - 10-92 - Microphone, electrent condenser.
    Special Price $24.97 Regular Price $28.50
    Microphone, electrent condenser. Frequency response 50-16000Hz. Output level -64db@1000Hz. 600 Ohm Impedance. Uni-directional Cardioid. Signal to noise ratio 50db @1000Hz. Complete with a 10' cord and a 1/4" jack. Note: Requires a 1.35V battery, not included. Learn More
  4. Calrad - 95-876A - Audio Equipment. CB Alternator and auto stereo noise eliminator kit.
    Calrad - 95-876A - Audio Equipment. CB Alternator and auto stereo noise eliminator kit.
    Special Price $11.98 Regular Price $14.00

    Calrad - 95-876A - Audio Equipment.

    CB Alternator and Auto Stereo Noise Eliminator Kit.

    Helps eliminate unwanted alternator and general ignition noise, 7amp. A two (2) wire Choke/Coil. and one electrolytic capacitor 220uF 25V, axial (85 Degree C).

    Mount: Panel.

    Dimensions: Transformer 1.694" long x 1.113" wide x 1.439" high.

    Overall with mount feet 2.343" long, with 2" centers.

    New Old Stock.

    Complete with manufactures installation instructions.

    Learn More
  5. MSP - M80C - Speaker. 8" Ceiling mount.
    MSP - M80C - Speaker. 8" Ceiling mount.
    $44.99
    Speaker. Mount: Panel. Dimensions: 8" speaker set in a round frame. Overall 9-7/8" D. White. Note: Ceiling speakers. Infinite baffle design. One (1") inch high power Kapton voice coil and former. Bump down backplate. One (1") inch, silk soft dome. Neodymium magnet. CP-C8. Learn More
  6. Calrad - 30-416 - Connector, Audio. Mono male 3.5mm. Package of 2.
    Calrad - 30-416 - Connector, Audio. Mono male 3.5mm. Package of 2.
    Special Price $1.98 Regular Price $3.00
    READY TO SHIP - ONLY 36 LEFT IN STOCK!

    Calrad - 30-416 Connector, audio.

    30 Series Mini Mono male 3.5mm plug.

    Color: Black.

    Terminals: Solder and or cable clamp.

    Cable opening: 0.18”

    Mates with 30-297

    Package of 2.

    Learn More
  7. Calrad - 45-732 - Audio Equipment. Stereo Matching Box.
    Calrad - 45-732 - Audio Equipment. Stereo Matching Box.
    Special Price $24.98 Regular Price $35.00
    READY TO SHIP - ONLY 10 LEFT IN STOCK!

    Calrad - 45-732 - Audio Equipment.

    Stereo Matching Box.

    All the capabilities and outstanding performance of today's magnificent home stereo systems in every room of the home or office. Makes the customer's present home stereo system grow into a magnificent music and PA system - more than just background music! - More than just PA!.

    Specification: Input 8 Ohm.

    Output: A) 8 Ohm 35 watt. (Lo Impedance)

    B) 70.7V 35 watt/143 Ohm. (High Impedance)

    Frequency Response:

    0dB @ 1KHz

    -0.3dB @ 199 Hz

    -1.5dB @ 10KHz

    Led Display: 4 Green and 1 Red  

    Dimensions: 8.75"Width x 7.5" Depth x 3" Height

    Weight:6 1/2 lbs.

    New Old Stock 

    Learn More
  8. Calrad - 35-544 - Connector, audio. Shielded 3.5mm miniature jack coupler mono.
    Calrad - 35-544 - Connector, audio. Shielded 3.5mm miniature jack coupler mono.
    $3.00
    Connector, audio. Shielded 3.5mm miniature jack coupler mono. New, individually packaged. Learn More
  9. Calrad - 30-414 - Connector, audio. Miniature inline jack.
    Calrad - 30-414 - Connector, audio. Miniature inline jack.
    $3.00
    Connector, audio. Miniature inline jack, shielded 3.5mm. Solder terminals. Learn More
  10. Calrad - 55-997 - Audio, cable. "Y" adapter.
    Calrad - 55-997 - Audio, cable. "Y" adapter.
    $3.00
    Audio, cable. "Y" adapter. Stereo phone jack 1/4" to dual RCA type pin plugs parallel wired. New. Learn More
  11. Calrad - 95-879 - Audio equipment. Alternator noise /whine filter.
    Calrad - 95-879 - Audio equipment. Alternator noise /whine filter.
    Special Price $4.98 Regular Price $8.50
    READY TO SHIP - ONLY 3 LEFT IN STOCK!

    Calrad - 95-879 Alternator noise / whine filter.

    Alternator whine in your car stereo can be an elusive problem. As the RPMs of your vehicle rise, the volume of the alternator whine can increase as well. Identify the underlying cause of the whine to silence it for good. There are several possible causes of alternator whine and troubleshooting is the best way to isolate it. If proper grounding and wire placement does not eliminate the noise, a filter may be the ultimate resolution.

    Automobiles equipped with alternators can reduce annoying noise on amateur or CB gear with use of this easy-to-install noise filter.

    Maximum current 25A.

    Made in Japan.

    Learn More
  12. Calrad - 10-113 - Audio Microphone Splitter.
    Calrad - 10-113 - Audio Microphone Splitter.
    Special Price $39.98 Regular Price $59.50 As low as $32.98
    READY TO SHIP - ONLY 8 LEFT IN STOCK!

    Calrad - 10-113 - Audio Microphone Splitter.

    The Calrad 10-113 Microphone Splitter splits input of a single microphone to two different outputs, both input and output signals may be used to provide separate isolated feeds to both a house and monitor system, P.A. recording system or similar application where double outputs are required. No Power required.

    Specifications:
    Input Impedance: 600 ohm
    Dimensions: 4 3/4" X 3 1/8" x 1 5/8"
    Output impedance: 600 ohm
    Frequency Response: 20-20k

    Color: Black

    RoHS Compliant

    Learn More
  13. Calrad - 95-904A - Alarms & Buzzers. Board, 24 Hour Panic Control.
    Calrad - 95-904A - Alarms & Buzzers. Board, 24 Hour Panic Control.
    Special Price $9.98 Regular Price $18.95
    Calrad - 95-904A - Alarms & Buzzers. Board By adding this module to either the Calrad 95-898, 95-899 alarms, or another standard control center, you can have a 24 hour panic override switching circuit, even though your alarm is on or off. When triggered, this control will activate either the alarm bell, siren or another independent alarm device. May also be used for non-supervised open circuit heat detection. 24 Hour Panic Control. Fire-Panic-Relay. Dimensions: 3” (L) x 2 1/2” (W) x 1 1/4" (H). New. Learn More
  14. Calrad - 95-903A - Board. Electronic siren power driver.
    Calrad - 95-903A - Board. Electronic siren power driver.
    $12.50
    Board. Electronic siren power driver. Output: 130db at 10 feet. Voltage requirement: 6-18VDC. Current consumption: 1.7Amp at 12V at 8 Ohm load. Two types of sound. 1, 2, or 4 speaker capability. Mount: easy-to-install adhesive. Dimensions: 3.853" long x 3.607" wide x 1.258" high. New. Learn More
  15. Calrad - 95-830 - Power amplifier. 6 Watt, 12-15VDC.
    Calrad - 95-830 - Power amplifier. 6 Watt, 12-15VDC.
    $19.99
    Power amplifier. 6 Watt, 12-15VDC. Input sensitivity: 0.6V at full output. Frequency response: 10 to 25kHz. Power output: Mono: 15W at 8-ohm. Stereo: 6W. Input impedance: Low Z. Distortion: 1% @ full output. Learn More
  16. Calrad - 90-758 - Connector, Binding Post. Spring loaded, Push Button. Package of 2
    Calrad - 90-758 - Connector, Binding Post. Spring loaded, Push Button. Package of 2
    Special Price $3.98 Regular Price $4.50 As low as $3.49

    Calrad - 90-758 Connector, Binding Post. Package of 2

    Gold terminals Binding Posts/ Banana Plugs with plastic screw nut.

    Red and Black colored plastic nuts.

    Size: 2 1/8” (L) X 15/16” (W)

    Just press and insert wires, release and wires are securely fastened.

    Push Button, Spring Loaded.

    Color: Red. New.

    Package of 2

    Applications: Speaker Terminals, Test Equipment, Instrumentation.

    Learn More
  17. Calrad - 90-753 - Connector, Binding Post. Push Button. Package of 2.
    Calrad - 90-753 - Connector, Binding Post. Push Button. Package of 2.
    Special Price $2.98 Regular Price $3.50 As low as $2.49

    Calrad - 90-753 Connector, Binding Post.

    Just press and insert wires, release and wires are securely fastened.

    Push Button, Spring Loaded.

    Reverse Connection: Solder Terminal

    Color: Red. New.

    Package of 2.

    Applications: Speaker Terminals, Test Equipment, Instrumentation.

    Note: See SKU 170632 for Calrad 90-752 Black Binding Post/Banna Plug.

    Learn More
  18. Calrad - 90-757 - Connector, Binding Post. Push Button, Package of 2.
    Calrad - 90-757 - Connector, Binding Post. Push Button, Package of 2.
    Special Price $2.98 Regular Price $3.50

    Calrad - 90-757 Connector, Binding Post.

    Just press and insert wires, release and wires are securely fastened.

    Push Button, Spring Loaded.

    Color: Black. New.

    Package of 2.

    Applications: Speaker Terminals, Test Equipment, Instrumentation.

    Learn More
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