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 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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Items 73-96 of 238

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  1. ALCOKNOB - KNP-900A 1/8 - Hardware, knob. For 1/8" shaft.
    ALCOKNOB - KNP-900A 1/8 - Hardware, knob. For 1/8" shaft.
    Special Price $5.98 Regular Price $8.00
    READY TO SHIP - ONLY 44 LEFT IN STOCK!

    ALCO KNOB - KNP-900A  Series KPN Knob.

    Status: Discontinued

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

    Heavy, Silver. - Stright Knurled

    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
  2. Western Electric - 242CM - Connector, Audio. Antique / Vintage, Phone-jack 1/4".
    Western Electric - 242CM - Connector, Audio. Antique / Vintage, Phone-jack 1/4".
    Special Price $14.98 Regular Price $18.95 As low as $9.98

    Western Electric - 242CM - Connector, Audio.

    Heavily Insulated, Singly-Mounted Jacks. Solder-type terminals are arranged to accommodate two No. 19 B & S gauge wires. Arranged for use with a No. 310 or similar type plug.

    1/4-inch phone jack with integral mounting tab.

    Mates with a tip-collar-ring type (stereo) plug.

    There are 7 wirewrap connections on the rear.

    There are three normally closed contacts when no plug is inserted.

    All three open when the plug is inserted.

    One contact is isolated, one is connected to the tip and one to the collar.

    The jack mounts in a 0.450" clearance hole and is held in place by a screw through a nearby 0.156" hole.

    The jack extends approximately 3-1/4" behind the mounting panel.

    Western Electric Specification Sheet atttached.

    Vintage Genuine Western Electric Antique Phone Jack - New Old Stock.

    Proudly Made in USA

    Learn More
  3. Western Electric - 328D - Connector. 600 Ohm, Dual Male 1/4 Plug Terminator.
    Western Electric - 328D - Connector. 600 Ohm, Dual Male 1/4 Plug Terminator.
    Special Price $12.98 Regular Price $14.50 As low as $8.98

    Western Electric - 328D - Connector.

    600 Ohm

    Material: Bakelite

    Genuine Vintage Western Electric - New Old Stock - Rare

    Dual Male 1/4 Plug Terminator.

    Learn More
  4. Unidentified MFG - SPEAKER1 - Microphone Element.
    Unidentified MFG - SPEAKER1 - Microphone Element.
    Special Price $7.98 Regular Price $9.50 As low as $6.98

    Microphone Element for Telephones.

    Dimensions: 1.257" D x 0.180" High.

    Overall 0.412" Deep.

    Note: Each with a clear plastic protective cover, overall 1.539" D x 0.37" deep, with threaded ID.

    Learn More
  5. Unidentified MFG - CTI 42577-0100 - Microphone Windscreens
    Unidentified MFG - CTI 42577-0100 - Microphone Windscreens
    $2.99
    Microphone Windscreens approx L 1-5/8" x W 1-1/8" ,1/2" Hole for inserting microphone.Hole is 1-3/8" deep Natural color New Bulk packed. Learn More
  6. CTI - 41821 - Miniature Microphone Elements
    CTI - 41821 - Miniature Microphone Elements
    Special Price $4.98 Regular Price $6.50

    CTI - 41821 - Miniature Microphone Elements

    Felt Top

    Dimensions: 10.6mm tall x 10.0mm Diameter.

    3-Radial Leads on Bottom of Element.

    Aluminum Shell

    Learn More
  7. CUI Devices - GF1004X - Speaker. 8 Ohm 6-10 Watt, 145 Hz ~ 17 kHz, Package of 2.
    CUI Devices - GF1004X - Speaker. 8 Ohm 6-10 Watt, 145 Hz ~ 17 kHz, Package of 2.
    Special Price $14.98 Regular Price $16.50 As low as $12.98

    CUI Devices - GF1004X -  Speaker.

    Frequency Response: 145 Hz ~ 17 kHz

    S.P. Level: 93 (1W/0.5m) dB

    Housing Material: Metal

    Shape: Round, Square

    Weight: 73.7 g

    Impedance: 8 Ω

    Max Power Dissipation: 10 W

    Power Rating: 6 W

    Magnet Material: Ferrite

    Resistance: 8 Ω

    Termination: Solder Eyelets

    Beautiful 4" round speaker in a square mount.

    Dimensions: 4-1/16" square x 1-1/3" deep, with 4-5/8" centers. (102.4mm X36.5mm X 116.60mm Centers)

    Contacts on rear: (2) 3/16" male quick connect terminals.

    Package of 2.

    Manufactured in Taiwan.

    Alternates: Mouser 490-GF1004, Digi-Key GF1004-ND

    Learn More
  8. Unidentified MFG - AUDIO2 - Cable, audio. RCA dubbing.
    Unidentified MFG - AUDIO2 - Cable, audio. RCA dubbing.
    Special Price $2.98 Regular Price $3.50 As low as $2.49
    READY TO SHIP - ONLY 90 LEFT IN STOCK!

    AUDIO2 - Cable, audio. RCA dubbing.

    3 male plug to 3 male plug.

    Three conductor flat/parallel.

    Length: 5' 6". (Red/Yellow/White).

    Learn More
  9. Unidentified MFG - 8-070 - Ultrasonic receiver. From older sytle TV remote.
    Unidentified MFG - 8-070 - Ultrasonic receiver. From older sytle TV remote.
    $4.50
    Ultrasonic receiver. From older sytle TV remote. Enclosure: aluminum. Dimensions: 4-1/2" long x 1" wide x 1-1/8" high. With a 6" 3 Conductor wire and a 3 Pin male molex connector out. Learn More
  10. Unidentified MFG - 6-119 - Audio Video RCA Female Jack Panel Mount Socket Metal Solder Connector. Package of 10.
    Unidentified MFG - 6-119 - Audio Video RCA Female Jack Panel Mount Socket Metal Solder Connector. Package of 10.
    Special Price $1.98 Regular Price $2.50 As low as $1.49
    IN STOCK - MORE THAN 100 READY TO SHIP!

    Audio Video RCA Female Jack Panel Mount Socket Metal Solder Connector. 

    Connector, audio. RCA Female Phono Panel Socket Connectors, - Press-fit into 0.295"hole, 0.83" long.

    Red or While Phenolic Center, Mixed.

    Contacts: Solder Terminal with 3 holes.

    Mount: Chassis

    Vintage - New Old Stock

    Package of 10.

    Learn More
  11. TOA - P906MK2 - Power amplifier. Single channel 60W, 20Hz - 20kHz.
    TOA - P906MK2 - Power amplifier. Single channel 60W, 20Hz - 20kHz.
    $379.00
    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
  12. TRANSFORMER TECH - TF4RX13YY - Transformer, Audio.
    TRANSFORMER TECH - TF4RX13YY - Transformer, Audio.
    Special Price $18.98 Regular Price $24.50 As low as $14.98
    READY TO SHIP - ONLY 92 LEFT IN STOCK!

    TRANSFORMER TECH - TF4RX13YY Transformer, Audio.

    A transformer which is designed so that part or all of its range of operating frequencies is 20 kilohertz (kilocycles) and below. The maximum value may extend into the radio frequency range. It is generally used in the input, output, amplifier, or oscillator stages of audio and sonar devices.

    8 Tab Solder Lug  PCB = Leads 1 2 3: 10K/12.5KCT, Leads: 4 5 6: 1.2K/1.5KCT.

    IMPEDANCE RATING IN OHMS: 50.0 NOMINAL AND 200.0 NOMINAL SINGLE COMPONENT 1ST SECONDARY 125.0 NOMINAL AND 500.0 NOMINAL SINGLE COMPONENT 2ND SECONDARY 15000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY

    FREQUENCY RATING: 50.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT

    (NON-CORE DATA) FREQUENCY RESPONSE TOLERANCE IN DECIBELS: -2.0 TO 2.0 SINGLE COMPONENT

    MAXIMUM TRANSFORMER POWER RATING: 200.0 MILLIWATTS SINGLE COMPONENT     

    Package: Small Shielded Can, 6 Long Gold Leads.

    Dimensions: 8.3mm D x 10.7mm high.

    NSN: 5950-00-539-7051

    Part Alternates: TF4RX13YY, H22, 58A5A2551, 58A5A255-1, 5950-00-539-7051, 00-539-7051, 5950005397051, 005397051

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  13. Toshiba - TA7362P - IC, Audio. Linear Power Amplifier, IC Muting Control, SIP-9
    Toshiba - TA7362P - IC, Audio. Linear Power Amplifier, IC Muting Control, SIP-9
    Special Price $2.98 Regular Price $3.95
    Toshiba - TA7362P - IC, Audio. Linear Power Amplifier, IC Muting Control, SIP-9 IC, Audio. Linear stummschaltung/muting. Package: 9 Sip. Voltage: 7 -18V New Old Stock Learn More
  14. Toshiba - TA7320P - IC, Audio. Linear Modulator/Demodulator, Mixer.
    Toshiba - TA7320P - IC, Audio. Linear Modulator/Demodulator, Mixer.
    Special Price $3.98 Regular Price $4.50 As low as $2.98
    READY TO SHIP - ONLY 10 LEFT IN STOCK!

    Toshiba - TA7320P IC, Audio. Linear Modulator/Demodulator, Mixer.

    Status:  Discontinued

    Operating Temperature: -30.0 C to 70.0 C

    Package Body Material: PLASTIC/EPOXY

    Package Equivalence Code: SIP9, .100" 

    Technology:       BIPOLAR

    Terminal Pitch   2.54 mm

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  15. Star Micronics  - QMB06 - PZT Sound Transducer Buzzer.
    Star Micronics - QMB06 - PZT Sound Transducer Buzzer.
    Special Price $2.98 Regular Price $3.50

    Star Micronics - QMB06 - PZT Sound Transducer Buzzer.

    Audio, alarms and buzzers. PZT sound transducer buzzer. The QMB series delivers a high quality sound output in a very compact footprint featuring a top sound port and compact through-hole design. Incorporating a patented design and developed through Star Micronics unique manufacturing processes, the QMB series is extremely well-suited for design into a wide range of applications including mobile devices, medical equipment, appliances, computer peripherals, and more.

    Compact Size
    Through Hole Design
    Top Sound Hole
    Dip Solderable and Washable

    Voltage:  6 VDC

    Dimensions: 16X14mm

    SPL: Minimum 85 dB, Typical 94 dB

    Frequency: 2.048 Hz

    Operating Temperature: 040C to 85 C

    More info: http://www.starmicronics.com

    Learn More
  16. SAMSUNG - SBT-12-05-S - Buzzer, Constant Tone High Pitch,  2VDC-6VDC.
    SAMSUNG - SBT-12-05-S - Buzzer, Constant Tone High Pitch, 2VDC-6VDC.
    Special Price $4.98 Regular Price $6.00

    SAMSUNG - SBT-12-05-S - Buzzer Audio alarms and buzzers.

    Constant tone High Pitch Buzzer

    Operting Voltage: 2VDC-6.5VDC. Best @ 4-6.5 VDC

    Sound drops past 7VDC 

    Current: 30 mA

    Min. Output: 85 dBA/10cm

    Frequency: 2300 +/-300 Hz

    Tone Nature: Single

    Operating Temperature:  -40 to 85C

    Mount: PCB solder.

    Material: Noryl SEI GFN2

    Dimensions: 1/2" D round x 0.36" high, 2 pin, solder terminal type leads.

    alternate: MG SBT1205S

    A Gould replacement part.

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  17. S - 2N174 - Power Transistor, PNP. T)-36. New Vintage Component.
    S - 2N174 - Power Transistor, PNP. T)-36. New Vintage Component.
    Special Price $14.98 Regular Price $23.95
    READY TO SHIP - ONLY 9 LEFT IN STOCK!

    S - 2N174 Power Transistor, PNP.

    Vintage Historic Power Transistor that came out in the Mid-1950s for the conversion of auto radios using tubes to semiconductors. Alos used in Military Aviation. Rare New Component  

    Max voltage: 60VEBO 80VCB.

    Max current: 15Amp emitter current (continuous),

    Base current 4Amp.

    Package: TO-36 encapsulation.

    Power Rating: 150W

    Note: Germanium.

    New with Delco New Hardware Kit 7274633.

    Learn More
  18. PFANTONE - CH-14R3F1WH - Audio, wall plate. Single gang.
    PFANTONE - CH-14R3F1WH - Audio, wall plate. Single gang.
    $4.50
    Audio/Video accessories. Single gang wall plate with 3 RCA jacks and 1 F-type jack. Twenty-four karat gold plated. Color: white. Learn More
  19. PFANTONE - CH-14R2IV - Wall plate. With rwo RCA jacks.
    PFANTONE - CH-14R2IV - Wall plate. With rwo RCA jacks.
    Special Price $2.50 Regular Price $3.95
    Wall plate. With Two RCA jacks. Contacts. 24 karat gold plated. Learn More
  20. PFANTONE - CH-14R2F1WH - Single gang with 2 RCA jacks and 1 F type jack.
    PFANTONE - CH-14R2F1WH - Single gang with 2 RCA jacks and 1 F type jack.
    $3.50
    Wall plate. Single gang with 2 RCA jacks and 1 F type jack. Contacts. 24 karat gold plated. Learn More
  21. PFANTONE - CH-14F3IV – 3 Port F-Type Coax Audio / Video Decora Wall Plate with 24 Karate Gold Plated Jacks.
    PFANTONE - CH-14F3IV – 3 Port F-Type Coax Audio / Video Decora Wall Plate with 24 Karate Gold Plated Jacks.
    Special Price $5.98 Regular Price $12.95
    PFANTONE - CH-14F3IV – 3 Port F-Type Coax Audio / Video Decora Wall Plate with 24 Karate Gold Plated Jacks. Organize your home entertainment setup with the GE-branded Coax Cable Wallplate. Conveniently connect an F-type coax cable to an existing in-wall coaxial cable outlet. This wallplate is the perfect replacement for existing broken or damaged connections or as an expansion location in your home. Featuring three 24K Gold Plated F-type connectors. This wallplate is compatible for use with HDTVs, Blu-ray/DVD players, satellite and cable receivers, modems, routers, TV antennas and more. Designed to fit single-gang wall boxes similar to an AC outlet or light switch, the wallplate's classic white finish fits with any decor. Installation is easy. Simply connect the in-wall cable to the back of the wallplate and use the included screws to secure it into place. Now you are ready to connect your device to the wallplate's coax cable port. Add the finishing touch to your digital connection and create a neat and tidy entertainment space. Status: Discontinued Style: Decora Style, High Quality is a Registered Trademark of Leviton Manufacturing. Mounting: Designed to fit standard single-gang wall boxes similar to an AC outlet. Both front and Back F-Type Connectors are 24K gold plated for superior signal quality with minimal loss. 3GHz High Frequency-Rated: Better video viewing experience than 1Ghz coaxial connectors; Gold-plated connectors increase conductivity and help reduce corrosion. Tooless connection, Just plug one cable into the front and one into the back. Triple Port Wall Plate – Provides in-wall F-type coax cable housing for your antenna, cable or satellite connection. Material: High Impact ABS Plastic with Gold Plated Brass F-Jacks. Conections: F-Type Coaxial Cable connections 75 Ohm Color: Ivory UPC: 34998 12083 Applications: HDTVs, Blu-ray/DVD players, satellite and cable receivers, modems, routers, TV antennas and more. Difficult to find 24K Gold Plated Triple F-Type Wall Plate. New Old Stock Made in USA Learn More
  22. PFANTONE - CH-14BP4WH - Dual gang with 4 binding posts.
    PFANTONE - CH-14BP4WH - Dual gang with 4 binding posts.
    Special Price $5.98 Regular Price $7.50
    Audio/Video accessories. Dual gang wall plate with 4 binding posts. Color: white. Contacts: 24 karat gold plated. Learn More
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