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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Items 1-24 of 48

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  1. Eaton - Wire PRO - Amphenol - CDM Electronics - 91-PC4M - Microphone Connector, Din Audio. Male 4 Pin, Chassis.
    Eaton - Wire PRO - Amphenol - CDM Electronics - 91-PC4M - Microphone Connector, Din Audio. Male 4 Pin, Chassis.
    Special Price $16.98 Regular Price $24.50 As low as $10.98
    IN STOCK - MORE THAN 1,000 READY TO SHIP!

    Eaton - Wire PRO - Amphenol - CDM Electronics - 91-PC4M Microphone Connector, Din Audio.

    Chrome plated machined brass shells with threaded coupling and black phenolic dielectric. Panel receptacle mounting hole 27/32" diameter. Maximum chassis thickness 1/8". Cable Diameters: 3 contact 0.281 max. 4-6 contact 0.385" max. Rated for 600 volts. Male contacts rated for 5 amps. 

    Series: 91

    Housing Gender: Plug.

    Contact Gender: Male.

    Contact Rating: 5 Amps

    Voltage Rating: 600 V (RMS)

    Body: Chrome Plated Machined Brass Shell

    Breakdown Between Terminals and Ground: 2000 v 

    Circuit Count: 4 pin Microphone.

    Mounting Type: Panel.

    Connection: Solder.

    Angle: Straight

    Applications: CB Microphones.

    Mates with 91-MC4F1. 

    New Old Stock 

    Mates with 91-MC4M

    Connector with washer and Nut. 

    Alternate P/Ns: Newark 39F1292, NSN 5935-00-615-3884

    Made in USA 

    Learn More
  2. Unidentified MFG - F20DP60-55F-D - Speaker,  8 Ohm light weight. Package of 2.
    Unidentified MFG - F20DP60-55F-D - Speaker, 8 Ohm light weight. Package of 2.
    Special Price $16.98 Regular Price $28.95
    IN STOCK - MORE THAN 100 READY TO SHIP!

    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
  3. PRIMO - EM-47A - Audio, microphone. Electric Condenser Microphone Cartridge
    PRIMO - EM-47A - Audio, microphone. Electric Condenser Microphone Cartridge
    Special Price $24.98 Regular Price $36.50
    READY TO SHIP - ONLY 80 LEFT IN STOCK!

    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
  4. ASTATIC - T2M-914 - Replacement Omnidirectional Audio, Microphone / Speaker, Electret Cartridge
    ASTATIC - T2M-914 - Replacement Omnidirectional Audio, Microphone / Speaker, Electret Cartridge
    Special Price $18.98 Regular Price $26.95 As low as $16.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    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

     

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  5. Heil ? - FV272/1740 - Audio, Microphones, Dynamic. Element only, Miniature.
    Heil ? - FV272/1740 - Audio, Microphones, Dynamic. Element only, Miniature.
    Special Price $29.98 Regular Price $38.50 As low as $24.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    FV272/1740 - Audio, Microphone Element, Dynamic.

    Element 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

    Note: Purchased from Astatic following their plant closure.

    Made in Taiwan

    Learn More
  6. Peerless Audio Mfg. - KU45MR - 9514057 - Speakers. 8 Ohm. Size: 4-1/2" Square, 80 W RMS.
    Peerless Audio Mfg. - KU45MR - 9514057 - Speakers. 8 Ohm. Size: 4-1/2" Square, 80 W RMS.
    Special Price $14.98 Regular Price $32.50 As low as $4.98
    READY TO SHIP - ONLY 57 LEFT IN STOCK!

    Peerless Audio Mfg. - KU45MR - 9514057 - Mid-Range Speaker, 4 1/2" Square, ALNiCo Magnet

    Founded in Denmark in 1926, Peerless has been delivering high-quality audio solutions ever since, and we’ve used our decades of design and manufacturing expertise to create a line of premium professional drivers and amplifier modules that deliver truly superior sound. From our FEA-optimized motor design to our Kevlar-loaded, non-pressed paper cone, each component has been thoughtfully designed to withstand the rigors of professional applications.

    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. ALNiCo speakers are made with magnets containing aluminum, nickel and cobalt. 

    Mid - Range Speakers.

    8 Ohm Coil

    Doped surround and 91.5 dB 1 Watt 1 Meter

    Heavy ALNiCo Magnet

    Kevlar Fiber-Reinforced Non-Pressed Paper Cone

    High Temperatue Voice Coil

    Size: 4 1/2" Square

    Mount: 3 1/2"

    Extremely rare and hard to find in any condition

    Note: Similar in Characteristics to the well known KO 40 MRF Midrange

    Vintage - New Old Stock  

    Alternate: 95140679.

    Learn More
  7. Morse - 97DD - 8 Track & Cassette Tape Player, Chassis - New
    Morse - 97DD - 8 Track & Cassette Tape Player, Chassis - New
    Special Price $29.98 Regular Price $59.50

    Morse - 97DD Audio Equipment.

    8 Track & Audio Cassette Recorder/Player, Chassis, & Amplifier.

    Amplifier included but without enclosure or speakers.

    Very Detailed Specification Sheets with complete parts lists, schematics, illustrations available upon request.

    Quality Morse Electrophonics in Factory foam protective packaging.

    Approximate Size of complete chassis is 13.5" Wide, 7" deep , 3.5" High

    High Quality Vintage - New Old Stock.

    Note: Single Chassis alone without packaging exceeds 5 lbs. standard shipping

    Learn More
  8. EDWARDS SIGNALING PRODUCTS - 874 - Adaptahorn Outlet Box.
    EDWARDS SIGNALING PRODUCTS - 874 - Adaptahorn Outlet Box.
    Special Price $19.98 Regular Price $26.95

    EDWARDS SIGNALING PRODUCTS - 874 - Adaptahorn Outlet Box.

    Surface Mount for 240VAC vibrating horns, with hardware.

    Note: Horn Purchased Separately

    New in Manufacturers Packaging

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  9. BOSE - 5-418 - Automotive amplifier, 20 watt.
    BOSE - 5-418 - Automotive amplifier, 20 watt.
    Special Price $26.98 Regular Price $42.50
    READY TO SHIP - ONLY 1 LEFT IN STOCK!

    BOSE - 5-418 - Automotive amplifier, 20 watt.

    Automotive 20 Watt Amplifier.

    Spec's - Delco - Requires volume control and 12-14VDC and audio source and speakers and listeners.

    Wiring Harness attached w/a (M) 4-cond enclosed plug/housing.

    Dimensions: overall 3-5/8" x 3-1/8" x 7/8" high.

    Specification sheets available upon request.

    Learn More
  10. RCA Tac Tec Astatic - M1569029 - Microphone. Replacement Microphone for RCA Tac Tec 2-Way Radios Receivers.
    RCA Tac Tec Astatic - M1569029 - Microphone. Replacement Microphone for RCA Tac Tec 2-Way Radios Receivers.
    Special Price $24.98 Regular Price $30.00 As low as $19.98
    READY TO SHIP - ONLY 14 LEFT IN STOCK!

    RCA Tac Tec Astatic - M1569029 Microphone.

    Replacement Microphone for RCA Tac Tec 2-Way Radio Receivers. (Spec1476A).

    Retractable Coiled Cord

    7 Position Female Connector.

    Spec. 1476A

    Rare - New Old Stock - Vintage collectable

    Made in Japan

    Learn More
  11. FORD - F5SF-18971- AA  - 5"x7" Speaker. 4 Ohm, Black Metal.
    FORD - F5SF-18971- AA - 5"x7" Speaker. 4 Ohm, Black Metal.
    Special Price $19.98 Regular Price $24.50

    FORD - F5SF-18971 Speakers.

    4 Ohm, Black Metal with a Gray Cover Plate.

    Size: 5" x 7".

    OEM Premium Ford Speaker 220218674

    New - Old - Stock 

    Learn More
  12. ASTATIC - ASC650 - Audio, microphone. Head/Cover/Windscreen.
    ASTATIC - ASC650 - Audio, microphone. Head/Cover/Windscreen.
    $14.95
    Audio, microphone. Head/Cover only with windscreen. Dimensions: overall 1.419" D x 2.374" high. Lower 1/2 is actually 1.288" long, windscreen is actually 1.120" long. Threaded ID 0.782" (22.1mm) diameter at base. Learn More
  13. KNOWLES ELECTRONICS,LLC - WP-3501 - Waterproof microphone, 2500 Ohm
    KNOWLES ELECTRONICS,LLC - WP-3501 - Waterproof microphone, 2500 Ohm
    $17.50
    READY TO SHIP - ONLY 86 LEFT IN STOCK!
    Waterproof microphone 2500-Ohm 2 wire termination sensitivity -54 dB +/- 3 dB TINY 5.5mm LONG x 4.5mm DEEP x 2.2mm THICK Learn More
  14. KNOWLES ELECTRONICS,LLC - CB-2847 - Audio, speaker. CB Series miniature speaker.
    KNOWLES ELECTRONICS,LLC - CB-2847 - Audio, speaker. CB Series miniature speaker.
    $19.99
    Audio, speaker. CB Series miniature speaker, Z=24 ohm. Port on face, can function as a microphone or beeper. Enclosed, stainless steel. Mount: PCB. Dimensions: square 25.15mm long x 25.15mm wide x 9.65mm high. Very Nice. Learn More
  15. 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
  16. 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
  17. 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

    Learn More
  18. 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
  19. CINCH - P-202-B - Cinch Jones Socket. M 2 Pin, Round Metal. Series 200 /202
    CINCH - P-202-B - Cinch Jones Socket. M 2 Pin, Round Metal. Series 200 /202
    Special Price $14.98 Regular Price $18.95 As low as $8.98
    READY TO SHIP - ONLY 71 LEFT IN STOCK!

    CINCH - P-202-B - Connector, Cinch Jones Socket Series 200 /202.

    CINCH P-202-B flat blade type plug connector. Also known as "Jones" type connector. This plug has 2 contacts. Contacts plating: Brass, Cadium Plated.

    200 series P-202-B plug is designed for light and medium duty. This rugged blade "Jones" type connector offers extremely high durability and reliability. Designed for applications that need high current capacity and require frequent mating and un-mating. 

    Status: Discontinued

    The 202 Series make ideal Microphone cable connections

    Housing Gender: Plug.

    Contact Gender: Male.

    Circuit Count: 2

    Thread: 3/4 - 27 

    Body Material: Brass, Nickel Plated

    Connections: Solder Eyelet(s)

    Insulation Material: Phenolic (Phenol Formaldehyde).

    Feature: Flange

    Mounting Type: Panel, Threaded Mount, Round Metal.

    Applications: SAudio, Microphone Cable connector. 

    Made in USA 0 Rare - Difficult Connector to Find

    Learn More
  20. Westinghouse - CA3076 - IC, audio. IF amplifier-limiter.
    Westinghouse - CA3076 - IC, audio. IF amplifier-limiter.
    $37.00
    IC, audio. High gain wideband, IF amplifier-limiter. Package: TO-99-8 metal. Learn More
  21. Unidentified MFG - 6-255 - Ultrasonic / Audio Transmitter & Receiver Probe
    Unidentified MFG - 6-255 - Ultrasonic / Audio Transmitter & Receiver Probe
    Special Price $18.98 Regular Price $38.50

    Commercial Ultrasonic / Audio Transmitter & Receiver Probe

    Transducer Receiver consist of a piezoelectric ceramic disc mounted with-in a probe.  A conical metal resonator bonded at the center of disc acting as a rigid piston. This special construction provides high sensitivity, wider bandwidth and excellent durability in wide temperature and humidity ranges and high stability in electrical and mechanical characteristics. Due to its free vibration character the open type transducers are very suitable for continual wave driving, such as Doppler motion detector.

    High Quality Distance Ultrasonic Sensor Head

    Marked in Red: "2-5-10cm. 3-8 Vol. 1-2 Inch & 2 - 12 Feet.

    Has two DIN Male connectors, a 5-pin and a 3-pin plug attached to the special microphone with a 5 foot long flat cable with widely separated conductors.

    Specific Application and Specifications Unknown - Great for Hobbyist/Experimenters/Inventors 

    Typical Ultrasonic Probe Applications: Measurement, Motion, Sensing & Instrumentation, Automation & Process Control, Robotics, Security, Power Management, Leak Detection. and Inspection In Industrial, Aerospace, Medical, and Manufacturing.

    Vintage - New Old Stock

    Learn More
  22. SONETRONICS - M80C/U - Microphone, dynamic. 24VDC 150 Ohm. New.
    SONETRONICS - M80C/U - Microphone, dynamic. 24VDC 150 Ohm. New.
    $39.00
    Microphone, dynamic. Military. 24VDC 150 Ohm 300-3500Hz, 10 Dynes per square cm. With coiled stretch cord and 5 Pin circular connector. Used with Military radios and pa systems. A microphone which depends for its operation upon the generation of an electromotive force by the motion of a moving coil within a magnetic field. Water resistant. Note: Military NSN 5965-00-179-7762. Learn More
  23. SANYO - STK2135 - IC, audio. Stereo power amplifier.
    SANYO - STK2135 - IC, audio. Stereo power amplifier.
    Special Price $18.98 Regular Price $25.00

    SANYO - STK2135 - IC, Audio.

    Stereo Power Amplifier.

    2 Channel darlington power pack with emitter resistance.

    Package: 16 Power SIP.

    New.

    Learn More
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