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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. Manufacturer ACME Remove This Item
  2. Manufacturer TOA Remove This Item
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Category  
  1. Audio Equipment 6 items
  2. Audio-Other 1 item
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
Capacitance uF  
2uF 12uF 2uF to 12uF
Ω - ohm  
2Ω 90Ω 2Ω to 90Ω
kΩ - kilo-ohm  
10kΩ 25kΩ 10kΩ to 25kΩ
DC Voltage  
4v 400v 4v to 400v
Color  
  1. Black, Silver 1 item
  2. White 1 item
Manufacturer  
X
  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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Unit of Measure  
  1. Each 1 item
  2. Set 1 item
Price  
$0 $379 $0 to $379
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7 Items

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  1. ACME - 6-349 - Hardware, Knob. 1/4" Flattened D Shaft. Stereo , Control, Volume, HI-FI, Amplifier. Package of 2
    ACME - 6-349 - Hardware, Knob. 1/4" Flattened D Shaft. Stereo , Control, Volume, HI-FI, Amplifier. Package of 2
    Special Price $6.98 Regular Price $8.50
    IN STOCK - MORE THAN 1,000 READY TO SHIP!
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    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.

    Applications: Stereos, Amplifiers, Instrumentation.

    Vintage - New Old Stock 

    Package of 2

    Learn More
  2. ACME - 6-007 - Hardware, Knobs. For slide Potentiometers, Equlizers, Mixers, Bass Heads. Package of 4.
    ACME - 6-007 - Hardware, Knobs. For slide Potentiometers, Equlizers, Mixers, Bass Heads. Package of 4.
    Special Price $2.98 Regular Price $5.00
    IN STOCK - MORE THAN 100 READY TO SHIP!
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    ACME - 6-007 Hardware, Knobs. For slide Potentiometers, Equlizers, Mixers, Bass Heads.

    Press-Fit.

    Material: Plastic, Black with a White Stripe Indicator.

    Dimensions: 0.75" wide x 0.5" with ID of 0.1 x 0.26" maximum.

    Vintage New Old Stock

    Package of 4

    Learn More
  3. TOA - P906MK2 - Power amplifier. Single channel 60W, 20Hz - 20kHz.
    TOA - P906MK2 - Power amplifier. Single channel 60W, 20Hz - 20kHz.
    $379.00
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    Power amplifier. Single channel 60 watt, 20Hz - 20kHz, 0.5%THD, +/-1dB freq response -=- Industry Standard -=- Terminal board input, no input module. Master volume control and Normal, Clip, Power, Protect and Signal Indicators on Front Panel. 25V / 70V and 8-Ohm Transformer Isolated Speaker Output [balanced] with 4-Ohm Direct Output [unbalanced] with screw terminals on back. Aux power outlet, Low Cut On/Off Switch to limit low freq response, Input Level 0 / -20bD switch. Turn-On Delay during power up, Very good cosmetically. Learn More
  4. TOA - X-21S - Aux amplifier. Power: 24VDC 20mA.
    TOA - X-21S - Aux amplifier. Power: 24VDC 20mA.
    $44.99
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    Aux amplifier. Power: 24VDC 20mA. Input: 220K Ohm. Gain 0~28dB. Att: 0~60dB. Model: X-21. Learn More
  5. TOA - X-01R - Aux amplifier. Power: 24VDC 4mA.
    TOA - X-01R - Aux amplifier. Power: 24VDC 4mA.
    $44.99
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    Aux amplifier. Power: 24VDC 4mA. Input: 200 Ohm. Gain 0~28dB. Model: X-01. Learn More
  6. TOA - U-01S - Aux amplifier. Power: 24VDC 4mA.
    TOA - U-01S - Aux amplifier. Power: 24VDC 4mA.
    $44.99
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    Aux amplifier. Power: 24VDC 4mA. Input: 220K Ohm. Gain 0~30dB. Model: U-01. Learn More
  7. TOA - H-01S - Mic amplifier. Power: 24VDC 8mA.
    TOA - H-01S - Mic amplifier. Power: 24VDC 8mA.
    $44.99
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    Mic amplifier. Power: 24VDC 8mA. Input: 200 Ohm. Gain 52~32dB. Model: H-01. Note: Use only with TOA 900 series amplifiers. Learn More
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7 Items

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Set Descending Direction
  1. Manufacturer ACME Remove This Item
  2. Manufacturer TOA Remove This Item
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Shopping Options
Category
  1. Audio Equipment 6 items
  2. Audio-Other 1 item
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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Price
$0 $379 $0 to $379
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