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.  

Filter  
Category  
Shaft Size  
Pin  
Length  
Common Voltage  
VAC  
Common Wattage  
Common Amperage  
Package  
Connection  
AC/DC  
Structure  
Polarity  
Contact Gender  
Housing Gender  
DC Voltage  
Mounting Type  
Hz  
Tolerance  
Color  
Manufacturer  
  1. Unmarked 59 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. Astatic 12 items
  10. Bose 2 items
  11. Bogen 2 items
  12. Calrad 23 items
  13. Cetec Vega 1 item
  14. COILCRAFT 1 item
  15. Conneaut Audio Devices 2 items
  16. CRL 1 item
  17. Custom 2 items
  18. CTI 1 item
  19. CTI Audio Inc 2 items
  20. CTI INDUSTRIES 1 item
  21. ECS INC 1 item
  22. Edwards Signaling Products 2 items
  23. Dreree 1 item
  24. FAIRCHILD 1 item
  25. FUJITSU 1 item
  26. FORD 1 item
  27. Fourjay Ind 1 item
  28. Floyd Bell Inc 1 item
  29. International Co. 1 item
  30. International Components Corp 1 item
  31. JAPAN 1 item
  32. JENSEN 1 item
  33. JVC 1 item
  34. KNOWLES ELECTRONICS,LLC 3 items
  35. Line Electric 2 items
  36. Koss 1 item
  37. LINE ELEC 1 item
  38. Mallory 1 item
  39. Matsushita 2 items
  40. MG 1 item
  41. MG ELECTRONICS 2 items
  42. MICHIGAN MAGNETICS 1 item
  43. MCM ELX 1 item
  44. Mallory/Electrosonic 2 items
  45. Motorola 1 item
  46. Morse 1 item
  47. MILITARY 1 item
  48. Texas Instruments 1 item
  49. Murata Erie 2 items
  50. MSP 1 item
  51. Mynthal 1 item
  52. NTE Electronics Inc. 10 items
  53. Philips 2 items
  54. Nortronics 1 item
  55. Philco 3 items
  56. Pfantone 13 items
  57. Panasonic 2 items
  58. Quorum 1 item
  59. RADIX GROUP INT'L 1 item
  60. QUAM 1 item
  61. PROJECTS UNLIMITED 11 items
  62. Primo 1 item
  63. RCA 2 items
  64. Samsung 1 item
  65. S 2 items
  66. ROHM 2 items
  67. Rockwell 1 item
  68. Rogan Brothers 3 items
  69. Russound 1 item
  70. Sanyo 2 items
  71. Shure 1 item
  72. Selenium Brazil 1 item
  73. Signal Division 1 item
  74. Sony 1 item
  75. Sonetronics 2 items
  76. Sonalert 2 items
  77. STACKPOLE 1 item
  78. Switchcraft 3 items
  79. Star 3 items
  80. STK Electronics Inc 1 item
  81. Toshiba 3 items
  82. THOMAS 1 item
  83. TOA 7 items
  84. TRANSFORMER TECH 1 item
  85. UNTEX 1 item
  86. Vishay/Sprague 1 item
  87. Western Electric 3 items
  88. Westinghouse 1 item
  89. X-Tealth 1 item
Amperage  
Price  
View as List Grid

Items 1-24 of 264

Page
per page
Set Descending Direction
  1. PROJECTS UNLIMITED - AT-121-LW45 - Audio, PZT. Piezo tranducers. Package of 50.
    $8.99
    Audio, PZT. Piezo tranducers, 5kHz, 3-28Vp-p 8mA @ 12VDC 85dBA @ 12vp-p. No internal electronics - schematic for driving circuit available. Case: Enclosed 24mm D, 34mm with feet. (3) 45mm-wire leads. Package of 50. Learn More
  2. ALCOKNOB - KNP-900B 1/8 - Equipment, knob. For 1/8" shaft, Stereos, Amplifiers, Instrumentation.
    Special Price $5.98 Regular Price $8.00

    ALCO KNOB - KNP-900B  Series KPN Knob.

    Status: Discontinued

    Fits 1/8" shaft, with one set screw.

    Heavy, Silver. - Stright Knurled

    Matrial: Black Anodized Aluminum  with Vertical Pointer.

    Dimensions: 0.931 OD x 0.54" high. (33.6 X 13.7 mm)

    Applications: Stereos, Amplifiers, Instrumentation. Vintage - Newer Used - Genuine Alco - New Old Stock

     

    Learn More
  3. ACME - 6-349 - Hardware, Knob. 1/4" Flattened Shaft. Stereo , Control, Volume, HI-FI, Amplifier. Package of 4
    Special Price $5.98 Regular Price $8.50

    ACME Hardware, knob.

    For 1/4" flattened shaft.

    Black Band 0.74" around it for gripping easily.

    Material: Attractive Chromed Aluminum.

    Dimensions: 0.62" D x 0.90" high.

    Color: Silver.

    Note: The orientation of the indicator line is straight up from the center of the 1/4" (D) circle.

    Upgrade your Old System with High Quality New Old Stock Knobs.

    Package of 4

    Learn More
  4. iSPY007 - SPY EAR - Ear Secret Sound Amplifier Device.
    Special Price $3.98 Regular Price $6.99
    NOT IN STOCK - CALL FOR PRICE AND AVAILABILITY

    iSPY007 - SPY EAR - Ear Secret Sound Amplifier Device.

    Almost Sold Out- "The Original Super Ear Spy Lisening Device"

    What is this amazing device? This great little gadget is similar to the "disposable hearing aid" you've may have seen advertised on television. It is very small and inconspicuous, yet it can amplify sounds up to 40 or more decibels (that means you will be able to hear some things over 1000 times better!). It is a fun toy for kids, and a useful tool for adults!Just plug in the earphones and turn on the device, adjust the volume to your comfort level, and you are ready to go! You can wear it at your side and amplify all sounds around you, or you can aim the microphone at a source to amplify specific sounds! Batteries not included (Removed).

    Description Item # SPM8757405026 Model # SPYEAR

    "This device is a powerful secret sound amplifie with built-in high sensitive microphone.

    "With this device :
    You can listen clearly to people talking secretly.
    You can listen to the far away sound of the animals while hunting.
    You can spy on people in another room by listening to their conversation.

     

    Learn More
  5. Unidentified MFG - VSQ0055 - VFH Matching Box, Coaxial Transformer, Input 75 Ohm to 300 Ohm Output.
    Special Price $3.98 Regular Price $5.00

    VSQ0055 - VFH Matching Box, Coaxial Transformer

    Transformer, coaxial.

    Input 75 Ohm to output 300 Ohm. 

    Made in Japan

    Quality Constructed Vintage - New Old Stock

    Learn More
  6. Unidentified MFG - BE-010 - Microphone Windscreens 1-5/8"H x 7/16"ID
    $2.99
    Microphone Windscreens 1-5/8" tall with a 7/16" dia opening and an inside depth 1-1/3" (available in black or brown) Learn More
  7. Unidentified MFG - 7-108 - RCA male straight to RCA male, right angle. 8".
    $0.75
    Audio, RF. Cable: RCA male straight to RCA male, right angle. Length: 8". Learn More
  8. Unidentified MFG - F20DP60-55F-D - Speaker, 8 Ohm light weight. Package of 2.
    Special Price $16.98 Regular Price $28.95

    F20DP60-55F-D Speaker.

    8 Ohm.

    Light weight.

    Depth: 2-1/4" maximum (2" max behind panel).

    Some may have a 7 foot, 2 conductor cable with a male RCA plug on one end.

    Speaker dimensions: 7-1/8" D, overall with frame is 8".

    Cross: 1713-3010.

    Note: Package of 2.

    Learn More
  9. PRIMO - EM-47A - Audio, microphone. Electric Condenser Microphone Cartridge
    Special Price $24.98 Regular Price $36.50

    PRIMO - EM-47A Audio, Microphone.

    From live concert sound to recording a movie, pro-audio microphones are critical to the clarity of the sound. Primo's products are use inside many major brands from vocal mics to shotgun camera mics, our quality is perfect for professional and amateurs alike.

    Electric Condenser Microphone Cartridge.

    Omni-directional.

    Highest quality, very high output into 200Meg Ohm to 500Meg Ohm, using FET AMP with source follower.

    Has no internal preamps.

    Can withstand very high S.P.L. (sound pressure level over 90db?).

    Dimensions: 0.828" (21mm) D x 10.5mm high.

    Threaded.

    Learn More
  10. QUORUM - PD-300 PAAL Sport - Personal Alarm LOUD!
    Special Price $9.98 Regular Price $14.95 As low as $8.98

    QUORUM - PD-300 PAAL Sport - Personal Alarm Security, personal.

    PAAL Sport 107db personal alarm with door clip and pull pin.

    The Sports PAAL is a high quality weatherproof (Waterproof) personal attack alarm, designed to withstand outdoor activities, repels moisture and offers the owner a true sense of protection.

    Immediately activated by pulling the special pin/cord or by the included door / window N.O. switch opening up. Deactivate it by replacing the special pin to it's original position.

    Battery 9V required, not included.

    Approx: 2-3/4" x 2" x 1". Color: yellow.

    Learn More
  11. PANASONIC - WM-034CY - Audio, microphone cartridge. Electret.
    Special Price $2.98 Regular Price $4.00 As low as $1.98

    WM-034CY Audio, microphone cartridge.

    Part Status : Discontinued

    Electret Condenser, Omnidirectional 42db +/-3db.

    Frequency range: 20Hz to 16kHz.

    Impedance: 2.2K Ohm.

    Sensitivity: 20Hz ~ 16kHz.

    Signal Noise Ratial: 60 dB

    Voltage: 4.5VDC, Voltage Range: 4.5 to 10V  

    Current: 800uA.

    Output type: Analog.

    Dimensions: Circular 9.7mm Diameter x 6.7mm thick. (0.382" X 0.264")

    Termination: Solder Pads.

    Made in Japan

    Learn More
  12. Line Electric - MD-120VAC-5VA - Electromechanical 120VAC, 5VA.
    Special Price $2.98 Regular Price $4.00

    Line Electric - MD-120VAC-5VA Audio, alarms and buzzers.

    Electromechanical buzzer 120VAC, 5VA.

    Shock hazard.

    Dimensions: 0.9" D x 1.7" long x 1".

    Mount: open frame.

    Applications: toy train gate warning.

    Learn More
  13. JENSEN - 25CV4 - Transformer, audio. 25VCT line transformer.
    Special Price $6.98 Regular Price $9.50

    JENSEN - 25CV4 Transformer, Audio.

    Professional Series "Constant Voltage" Transformer specially designed for "constant voltage" distribution system.

    Input (Primary): 25 Volt balanced or unbalanced line

    Output (Secondary): 8 - Ohm loudspeaker load

    Power to Speaker: 4, 2, 1/2, 1/4, 1/8 watts

    Frequency Response: +/- 1 dB, 50 - 10,000 Hz

    Useful Frequency Response: 30 - 20,000 Hz

    Total Harmonic Distortion: 1/2% Max. 100 - 15,000 Hz

    efficiency: 80% on 4 watt setting

    Nominal Core Size: 5/8" X 5/8"

    Overall Dimensions: 2 7/8"Wide, 1 9/16" Heights, 1 3/4" Depth

    Mounting Holes 1 3/16" diameter on 2 3/8" centers

    Coil/Coil/Core Insulation: 500 volts RMS, 60 Hz

    Net Weight: 9 Oz

    Vintage Genuine Jensen New Old Stock

    Cross: Z3631.

    Learn More
  14. ECS INC - ZTA-3.58MG - Ceramic resonator 3.58MHz. Package of 10.
    $3.00
    Filter/resonator. Ceramic resonator 3.58MHz, 30 Ohm. Tolerance: 0.5%. Dimensions: 10mm wide x 5mm deep x 7.5mm high. Package: 2 Pin radial leads. Lead spacing: 5mm. Note: Extended temperature range. Package of 10. From: 500/manuf bag. More info: http://www.ecsxtal.com/store/pdf/ZTAR.pdf Learn More
  15. Edwards Signaling Products - CS1088 - 876-N5 - Alarms. Security Horns, 103dB loud, 120VAC.
    Special Price $74.99 Regular Price $120.95

    Edwards Signaling Products - CS1088 - 876-N5 - Audible Alarm.

    Security horns, 103dB loud,

    120VAC 0.13A 14VA 150-ohm coil.

    Case: 4.5" square.

    Enclosures sold separately.

    Weight: 1.4 lbs.

    UPC 093871220332

    Learn More
  16. CUSTOM - 8-366 - Connector. RCA Male to RCA Male. Package of 3.
    Special Price $2.98 Regular Price $4.50

    Custom Connector. RCA Phono Male to RCA Phono Male.

    One straight connector and one Right angle on a white shielded teflon cable.

    Length: 12".

    Package of 3.

    Learn More
  17. ASTATIC - T2M-914 - Replacement Omnidirectional Audio, Microphone / Speaker, Electret Cartridge
    Special Price $14.98 Regular Price $24.50

    ASTATIC - T2M-914 Replacement Omnidirectional Audio, Microphone /Speaker.

    Speaker / Microphone matches virtually any transmitter.

    Micro switch with positive snap action.

    Rotable spring clip on back.

    Power Requirements: 3 to 12 VDC.  

    Quality Electret Cartridge. 

    Lightweight Durable Noryl Housing.

    Dimensions: Approximately 2" wide x 3" high x 1.3" D.

    Complete with 6 wire Neoprene coil cord, extends to 5-1/2 feet. 

    Includes hook up instructions. 

    Electret microphones are a type of electrostatic capacitor-based microphone which eliminates the need for a polarizing power supply by using a permanently charged material.

    Proudly Made in USA

     

    Learn More
  18. Unbranded - Vintage RCA Audio Panel Mount Strip 2 Way Female Audio Coaxial Connector Socket
    Special Price $0.98 Regular Price $2.00 As low as $0.49

    Vintage RCA Panel Mount 2 Way Female Audio Coaxial Connector Socket TV Stereo

    Horizontal Panel Mount 2 Way RCA Female Jack Connector Sockets for Various Electronic Connections.

    Panel Mount used in various electric appliances, such as TV, Monitor, DVD, computer, speaker, etc.

    Phenolic Chassis Mount Strip W/Solder Terminal and ceramic insulator

    Overall Length:  1.50" (38.0 mm)

    Overall Depth:  .845" (21.5 mm)

    Mounted Height: 1.0" (25.5 mm)

    Vintage New Old Stock

    Note: Ceramic insulator can be removed to repair used equipment.

     

     

     

    Learn More
  19. Unidentified MFG - FV272/1740 - Audio, microphones. Element only, Miniature.
    $29.98

    FV272/1740 - Audio, Microphone Element.

    Element only, miniature.

    Dimensions: Approximately .764"X .50" X .36" (19.5 X 12.7 X 9.0 mm)

    Strong on higher frequencies.

    Researching this element to confirm if it is the Heil HC-5 that is in high in demand by Ham Radio Enthusiasts

    Made in Taiwan

    Learn More
  20. Unidentified MFG - SPK-055 - Speakers. 8 Ohm. Size: 4-1/2" square.
    Special Price $4.98 Regular Price $6.50 As low as $3.98

    Full Range Speaker, 4 1/2" Square, ALNiCo Magnet

    Speakers made with ALNiCo magnets are often raved about as the vintage-certified choice of true tone hounds. The fact that the alloy used to make them is more expensive—thanks to some of the precious metals it includes—than the ferrite used in ceramic magnets also implies a sort of “better than” relationship. ALNiCo speakers are made with magnets containing aluminum, nickel and cobalt. 

    Full Range Speakers.

    8 Ohm Coil

    ALNiCo Magnet

    Size: 4 1/2" Square

    Mount: 3 1/2"

    Vintage - New Old Stock

    Cross: 95140679.

    Learn More
  21. Unidentified MFG - 7-068 - Cable, audio. RCA male to male. Package of 10.
    $6.00
    Cable, audio. RCA male to male. Shielded cable. Length: 13". Color. black. Package of 10. Learn More
  22. Unidentified MFG - DM60 - Audio, Microphone Cartridge Element. 400 Ohm.
    Special Price $6.98 Regular Price $8.50

    DM60 Audio. Microphone Cartridge.

    400 Ohm coil.

    Material: Nylon case.

    Dimensions: 0.985" OD x 0.8".

    Color: Beige.

    Vintage New Old Stock

    Learn More
  23. Unidentified MFG - 8-546 - Speakers. 4 Ohm, 0.1 watt mylar cone.
    $1.95
    Speakers. 4 Ohm, 0.1 watt mylar cone, with a 16 foot power cord, 2 conductor 22AWG and a 1/8" audio plug. size: Overall 1-1/8" D round x 9/16" deep. Learn More
View as List Grid

Items 1-24 of 264

Page
per page
Set Descending Direction