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.
- PROJECTS UNLIMITED PUI - AT-121 - Audio, PZT. Miniature Piezo Audio Transducers. Package of 10.
PROJECTS UNLIMITED PUI - AT-121 - Audio, Miniature Piezo Audio Transducer.
PUI Audio, a Projects Unlimited Company, is a leading developer, manufacturer and supplier of quality audio devices and components including indicators, transducers, speakers, microphones and sirens.
Piezo Ceramic Audio Tranducer, 5kHz, 3-28Vp-p 8mA @ 12VDC 85dBA @ 12vp-p.
Resonant Frequency: 4500 HZ +/-500 Hz.
Operating Voltage: 3 - 28 Vp-p
Rated Current: 13 mA
Capacitance: 17,000 pF =/-30%
Current Consumption at 12VDC (Typical): 8 mA
Sound Pressure Level (dBA) at 1" or 30cm: 95 at 12Vp-p.
Temperature Range: Operating -30 C to 85 C, Storage -40 C to 95C
Case: Enclosed 24mm Diameter, 34mm with feet. (3) 45mm-wire leads.
Note: Wire Lenghts are 45mm not 120 as listed on print.
Mount: Flange Mounting (See Attached Diagram)
Wire: 32 AWG Stranded
Wire Color Code: Red Positive (+), Black Negative (-), Blue (Feedback Connection)
Weight: 7.4 grams (0.106) oz
Case Material: ABS. Black
Package of 10.
Alternate: Mouser 490-CPE-121, CPE-121
Made in Taiwan
- ACME - 6-349 - Hardware, Knob. 1/4" Flattened D Shaft. Stereo , Control, Volume, HI-FI, Amplifier. Package of 2Special Price $6.98 Regular Price $8.50IN STOCK - MORE THAN 1,000 READY TO SHIP!
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 - JENSEN - 25CV4 - Transformer, audio. 25VCT line transformer.Special Price $6.98 Regular Price $9.50IN STOCK - MORE THAN 100 READY TO SHIP!
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 - Unidentified MFG - 7-068 - Cable, audio. RCA male to male. Package of 10.$6.00Cable, audio. RCA male to male. Shielded cable. Length: 13". Color. black. Package of 10. Learn More
- ASTATIC - DM60 - Audio, Microphone Cartridge Element. 400 Ohm.READY TO SHIP - ONLY 98 LEFT IN STOCK!
DM60 Audio. Microphone Cartridge.
400 Ohm Coil.
Material: Nylon Case.
Dimensions: 0.985" OD x 0.8" Length.
Color: Beige.
Purchased from Astatic Factory following Shutdown. Over 200 Sold.
Vintage New Old Stock
Learn More - CTI Audio - 05114 - Audio, Microphone Element, s.Special Price $6.98 Regular Price $9.50READY TO SHIP - ONLY 4 LEFT IN STOCK!
CTI Audio 05114 Audio, Microphone Elements.
Approximate dimensions: 0.553" OD x 0.838" high.
No other information available.
Learn More - Belkin - 75-210B - Coiled 6.35mm (1/4") Male/Female Stereo Audio Headphone Shielded Extension Cord.Special Price $6.98 Regular Price $8.95READY TO SHIP - ONLY 12 LEFT IN STOCK!
Belkin - 75-210B - Coiled 6.35mm (1/4") Male/Female Stereo Audio Headphone Extension Cord.
Cable: Quality TRS Male Stereo to Female Jack Extension, Shielded Stretch Cord.
Connectors: 6;35mm Male to 6.35mm FemaleMolded Strain Reliefs
Conductor Material: Copper
Length: 5 foot Coiled extends to approximately 14 Feet
Learn More
Applications: Headphone or ear bud extension and remore location for easier connectivity to other equipment. - Unidentified MFG - 9-756-1 - Connector, Mono. Female Receptacle 1/4" (6.35mm) Socket. Package of 10.Special Price $7.98 Regular Price $9.50READY TO SHIP - ONLY 6 LEFT IN STOCK!
9-756-1 - Connector, Mono Socket, Female Panel Mount Receptacle.
These jacks can be used for any project or repair that requires a 1/4" jack, as they can fit in most spaces where a 1/4" jack would be required. Full plastic sheathing means that your connections won't ground out
Female 1/4" (6.35mm) Socket.
Gender: Female
Termination Style: Straight
Material: Polyamide Thermoplastic.
Munt: Panel.
Complete with Hardware.
Audio Cables and Snakes: Amplifiers, Speakers, Mixing desks, Rack mount equipment, Patch panel
Alternates: Neutrik NYS2152, Amphenol ACJM-MV35-2
Package of 10.
Learn More - Unidentified MFG - 43831-0100 - Microphone Replacement Grille Ball Head Mesh Cover, Head/Cover/ Windscreen.READY TO SHIP - ONLY 63 LEFT IN STOCK!
Microphone Replacement Grille Ball Head Mesh Cover, Windscreen.
If you’ve ever spoken into a microphone before, you probably know to speak into the metal grille for the best results. Chanced are you’ve spoken into a handheld microphone with a spherical grille. Microphone grilles come in many shapes and sizes and have many purposes for microphone performance!
So what is a microphone grille? A microphone grille (or “grill”) is the protective mesh-like layer around a microphone’s capsule. Grilles provide varying degrees of protection from physical trauma, plosive gusts of air, and moisture while still allowing sound to enter the mic capsule effectively.
The windscreen attenuates wind noise and environment noise and provides ample protection.
Material: Metal, Heavy Screen.
Fits Many Brand Mic Accs
Audio, Microphone.
Head/Cover only with windscreen.
Dimensions: overall 1.734" D x 2.860" high.
Black lower 1/2 is actually 0.920" Long, Windscreen is actually 1.927" long.
Threaded ID 1.244" (31.6mm) Diameter at base.
Learn More - Mallory/Electrosonic - PT-1550W - Audio alarms and buzzers. Piezo speaker 4KHZ, 0.5%$6.95Audio alarms and buzzers. Piezo speaker 4KHZ, 0.5%. Plastic enclosed 16.7mm (0.657") D x 4.1mm (0.164") thick with 2-conductor 3-1/2" leads. Manufactures logo is a Capitol M with a horizontal line through it. Learn More
- Unidentified MFG - 8-603 - Microphone/Speaker, Hand Held with Push to Talk (PTT) Switch.
UnBranded - 8-603 - Audio, Microphone/Speaker for Two Way Radio Walkier Talkie.
Hand Held with Locking Slide Switch Press On-up to Talk
Connectivity: Two Male 2-Conductor Plugs about 5/8" apart, one 2.5mm and one 3.5mm.
Approximate Dimensions: 5.25" high x 1.5" wide.
Color: Light Green
Type of Jack: K
Vintage - New Old Stock
Made in Japan
Applications: Compatible with various K-Head walkie-talkies
Learn More - AMPEREX - 114N4P - Transistor, Germanium NPN. Vintage Metal encased component.IN STOCK - MORE THAN 100 READY TO SHIP!
AMPEREX - 114N4P Transistor, Germanium NPN.
Package: Metal encased
Dimenswions: 7mm sq x 15.5mm tall
3 wire leads.
Alternates/Cross: ECG103A, SK3835
Vintage Transistor Radio Component - New Old Stock
Learn More - Unidentified MFG - SPEAKER1 - Microphone Element.
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 - HITACHI - HA1392 - IC, Audio. Power amplifier.Special Price $6.98 Regular Price $8.50
HITACHI - HA1392 - IC, Audio. Power Amplifier.
Voltage: 12V @ 4.3 watt or 15V @ 6.8 watt.
Resistance: to 4 Ohm.
Package: 12 Pin Single Inline SIP.
Dimensions: 30mm V 16mm X 5mm
New Old Stock
Learn More - Unidentified MFG - STK2125 - 16-PWR SIP PWR AMPLI.Special Price $7.18 Regular Price $9.5716-PWR SIP PWR AMPLI.Listed as Generic Manuf, possibly a Sanyo product. Learn More
- CTI audio / Astatic - 46101-0000 - Microphone Element.Special Price $6.98 Regular Price $8.50
CTI Audio / Astatic - 46101-0000 Microphone Element.
Approx Size: 1.148" OD x 2.431" H.
Made for CTI Audio Inc (Now Astatic).
Specifications not available.
Learn More - Astatic/CTI Audio - 42327-0000 - Microphone Element, Insert, Felt Face 0.7"
Astatic/CTI Audio - 42327-0000 Microphone Element, Insert.
Felt Face 0.7" (17.7mm) Dia x 31.2mm face
TO contacts.
Manuf for CTI Audio Inc.
No other info avail.
Learn More - Unidentified MFG - 4221700372 - Audio. Metal Microphone Grille/Windscreen. 1.65" Tall.
Unidentified MFG - 4221700372 - Audio. Microphone Grille/Windscreen.
If you’ve ever spoken into a microphone before, you probably know to speak into the metal grille for the best results. Chanced are you’ve spoken into a handheld microphone with a spherical grille. Microphone grilles come in many shapes and sizes and have many purposes for microphone performance!
So what is a microphone grille? A microphone grille (or “grill”) is the protective mesh-like layer around a microphone’s capsule. Grilles provide varying degrees of protection from physical trauma, plosive gusts of air, and moisture while still allowing sound to enter the mic capsule effectively.
The windscreen attenuates wind noise and environment noise and provides ample protection.
Material: Metal, Heavy Screen.
Overall Dimensions: 1.714" (43.5mm) Wide x 1.648" (41.8mm) High.
Threaded ID 1.289" (32.7mm x 5/16").
Overall 1-1/2" Deep ID.
Learn More - SWITCHCRAFT - 2504M - Connectors, 4 pin male.$6.95Out of stockAudio, microphones. Connectors, 4 pin male. Old microphone type. Learn More
- SANYO - LC7537N - IC, Electronic Volume Control, 42 Pin DIP.IN STOCK - MORE THAN 100 READY TO SHIP!
SANYO - LC7537N IC. Electronic volume control system for audio equipment.
The LC7537N is an electronic control LSI capable of electronically controlling the volume, balance, loudness, fader, bass, and treble functions individually with fewer externally connected component parts.Case: 42 DIP, Bulk packaged
Genuine Vintage Sanyo New Old Stock
Alternate: EN2169C CMOS LSI LC7537, 7537AN, 7537NE
Additional Information: https://dtsheet.com/doc/309368/sanyo-lc7537n
Learn More - PROJECTS UNLIMITED - AB2040S - Audio, PZT. Piezo bender 4Hz. Package of 100.$7.99IN STOCK - MORE THAN 100 READY TO SHIP!
PROJECTS UNLIMITED - AB2040S Audio, PZT.
Piezo Ceramic bender.
Resonant frequency: 4000 +/- 500 Hz.
Input voltage: 30 Vp-p.
Resonant impedance: 350 Ohm.
Capacitance: 25,000 +/- 30% pF,
Direct CMAS or TTL drive, no feedback electrode.
Dimensions: 20mm D x 0.2mm thick.
Specification sheet available upon request.
Package of 100.
Learn More - Philips - TDA7052N - IC, audio. Power amplifier. 1 Watt.$6.95IC, audio. Power amplifier. 1 Watt. Package: 8 Dip. Learn More
- PFANTONE - CH-14F3WH - Single Gang White Wall Plate w/3F Type Jack, 24K Gold Plated$6.00
Single Gang white wall Plate with 3 F Type Jacks 24 karat gold plated (MANUF. PLANTONE)
Learn More - CTI AUDIO INC - Astatic - 42349 - New Microphone Elements /CartridgeSpecial Price $7.98 Regular Price $10.50READY TO SHIP - ONLY 8 LEFT IN STOCK!
CTI AUDIO INC - Astatic - 42349 - Microphone Element / Cartridge
Approx 1.159" OD X 1.205" High
New Old Stock, Microphone Element / Cartridge.
Learn More