Amplifiers & Preamps | Surplus Network

WiiM Pro AirPlay 2 Receiver with Voice Remote, Chromecast Audio Multiroom Strear

WiiM Pro AirPlay 2 Receiver with...

$105.00 USD

WiiM Pro AirPlay 2 Receiver with...

$105.00 USD

WiiM Mini AirPlay 2 Wireless Hi-Res Audio Streamer

WiiM Mini AirPlay 2 Wireless Hi-Res...

$59.99 USD

WiiM Mini AirPlay 2 Wireless Hi-Res...

$59.99 USD

HELM Audio BOLT DAC/AMP USB-C Portable High-End DAC/Headphone Amplifier with MQA

HELM Audio BOLT DAC/AMP USB-C...

$59.99 USD

HELM Audio BOLT DAC/AMP USB-C...

$59.99 USD

Emotiva Audio UMC-200 - Confirmed Power-On, Multiple Available

Emotiva Audio UMC-200 - Confirmed...

$134.95 USD

Emotiva Audio UMC-200 - Confirmed...

$134.95 USD

200W Bluetooth 5.0 Stereo Audio Receiver Amplifier Board with Treble and Bass...

200W Bluetooth 5.0 Stereo Audio...

$31.51 USD

200W Bluetooth 5.0 Stereo Audio...

$31.51 USD

500 Watt RMS BASH plate amp for home subwoofers

500 Watt RMS BASH plate amp for home...

$119.00 USD

500 Watt RMS BASH plate amp for home...

$119.00 USD

800W 2 Channel bluetooth Mini HIFI Power Amplifier Audio Stereo Amp Home Car FM

800W 2 Channel bluetooth Mini HIFI...

$20.57 USD

800W 2 Channel bluetooth Mini HIFI...

$20.57 USD

Wiim Pro Wifi Wireless Music Player Audio Streaming Multiroom Stereo Receiver

Wiim Pro Wifi Wireless Music Player...

$149.00 USD

Wiim Pro Wifi Wireless Music Player...

$149.00 USD

Fosi Audio BOX X2 Phono Preamp for Turntable Tube Preamplifier MM Phonograph US

Fosi Audio BOX X2 Phono Preamp for...

$43.99 USD

Fosi Audio BOX X2 Phono Preamp for...

$43.99 USD

Fosi Audio Q4 Headphone Amplifier Mini Stereo DAC 24-Bit 192 KHz USB for Speaker

Fosi Audio Q4 Headphone Amplifier...

$43.99 USD

Fosi Audio Q4 Headphone Amplifier...

$43.99 USD

16-300Ω Mini HiFi Headphone Amplifier Portable Earphone AMP w/ 3.5mm Audio Cable

16-300Ω Mini HiFi Headphone...

$12.55 USD

16-300Ω Mini HiFi Headphone...

$12.55 USD

Phono Preamplifier Electronic M/M Turntable Preamp Audio Stereo Phonograph RCA

Phono Preamplifier Electronic M/M...

$14.67 USD

Phono Preamplifier Electronic M/M...

$14.67 USD

headphone amplifier

headphone amplifier

$125.00 USD

headphone amplifier

$125.00 USD

SCHIIT MODI + DIGITAL TO ANALOG CONVERTER , BLACK WITH MOGAMI INTERCONNECT

SCHIIT MODI + DIGITAL TO ANALOG...

$125.00 USD

SCHIIT MODI + DIGITAL TO ANALOG...

$125.00 USD

2000W Stereo Receiver Amplifier Home Theater Audio Power Speakers 2 Channel Amp

2000W Stereo Receiver Amplifier Home...

$62.79 USD

2000W Stereo Receiver Amplifier Home...

$62.79 USD

Pyle Bluetooth 4.1 Channel 3000W AM/FM Stereo Receiver Amplifier DVD CD USB/SD

Pyle Bluetooth 4.1 Channel 3000W...

$165.99 USD

Pyle Bluetooth 4.1 Channel 3000W...

$165.99 USD

Pyle Compact Bluetooth Stereo Amplifier - 200 Watt Desktop Audio Power Amp

Pyle Compact Bluetooth Stereo...

$52.99 USD

Pyle Compact Bluetooth Stereo...

$52.99 USD

Fosi Audio LC30 Amplifier/Speaker Selector Box 2Analog VU Meter DB Display Black

Fosi Audio LC30 Amplifier/Speaker...

$133.99 USD

Fosi Audio LC30 Amplifier/Speaker...

$133.99 USD

Fosi Audio TP-02 Subwoofer Amplifier Mini Digital Sub Bass Integrated Amp 220W

Fosi Audio TP-02 Subwoofer Amplifier...

$47.99 USD

Fosi Audio TP-02 Subwoofer Amplifier...

$47.99 USD

Pyle Bluetooth Pro Audio Power Amplifier-2000 Watt 2-Channel Pro Audio Amplifier

Pyle Bluetooth Pro Audio Power...

$106.99 USD

Pyle Bluetooth Pro Audio Power...

$106.99 USD

Fosi Audio BT30D PRO Bluetooth Audio Stereo Receiver Amplifier HiFi Power Amp

Fosi Audio BT30D PRO Bluetooth Audio...

$89.99 USD

Fosi Audio BT30D PRO Bluetooth Audio...

$89.99 USD

Fosi Audio BT30D Bluetooth 5.0 Stereo Audio Receiver Amplifier 2.1 Channel Mini

Fosi Audio BT30D Bluetooth 5.0 Stereo...

$64.99 USD

Fosi Audio BT30D Bluetooth 5.0 Stereo...

$64.99 USD

Digital Bluetooth 5.0 TPA3116D Amplifiers Board 2.1 Channel Audio 2*50W+100W AUX

Digital Bluetooth 5.0 TPA3116D...

$19.99 USD

Digital Bluetooth 5.0 TPA3116D...

$19.99 USD

Pyle Wireless BT Stereo Power Amplifier-100WX2 Blue Series Compact and Audio

Pyle Wireless BT Stereo Power...

$42.99 USD

Pyle Wireless BT Stereo Power...

$42.99 USD

3000W 2 Channel bluetooth 5.0 HIFI Power Amplifier Audio Stereo Amp Home Car FM

3000W 2 Channel bluetooth 5.0 HIFI...

$43.96 USD

3000W 2 Channel bluetooth 5.0 HIFI...

$43.96 USD

Cambridge Audio AXR100 FM/AM Stereo Receiver - Refurbed

Cambridge Audio AXR100 FM/AM Stereo...

$399.00 USD

Cambridge Audio AXR100 FM/AM Stereo...

$399.00 USD

Portable HiFi Headphone Amplifier Amp 3.5mm Headset Amplifier Two-Stage GAIN

Portable HiFi Headphone Amplifier Amp...

$12.79 USD

Portable HiFi Headphone Amplifier Amp...

$12.79 USD

FiiO K11 Wired DAC and Headphone Amplifier for Home Audio or PC - Silver

FiiO K11 Wired DAC and Headphone...

$99.17 USD

FiiO K11 Wired DAC and Headphone...

$99.17 USD

Pyle 1000W Professional Power Amplifier w/Blu-ray Recorder & XLR Outputs PTA1000

Pyle 1000W Professional Power...

$95.99 USD

Pyle 1000W Professional Power...

$95.99 USD

Elan EL-IPD-PRE-SSI Dante Local Audio Source

Elan EL-IPD-PRE-SSI Dante Local Audio...

$300.00 USD

Elan EL-IPD-PRE-SSI Dante Local Audio...

$300.00 USD

400W 12V 2 Channel Powerful Stereo Audio Power Amplifier HiFi Bass Amp Car Home

400W 12V 2 Channel Powerful Stereo...

$11.95 USD

400W 12V 2 Channel Powerful Stereo...

$11.95 USD

400W 12V 2 Channel Powerful Stereo Audio Power Amplifier HiFi Bass Amp Car Home

400W 12V 2 Channel Powerful Stereo...

$11.95 USD

400W 12V 2 Channel Powerful Stereo...

$11.95 USD

800w 2 Channel Bluetooth Mini Hifi Power Amplifier Audio Stereo Amp Car Home Fm

800w 2 Channel Bluetooth Mini Hifi...

$25.74 USD

800w 2 Channel Bluetooth Mini Hifi...

$25.74 USD

Topping D10s HiFi USB DAC

Topping D10s HiFi USB DAC

$70.00 USD

Topping D10s HiFi USB DAC

$70.00 USD

Fosi Audio TB10D Digtal Amplifier Stereo HiFi Class D Power Home Amp 600W Mini

Fosi Audio TB10D Digtal Amplifier...

$59.55 USD

Fosi Audio TB10D Digtal Amplifier...

$59.55 USD

Fosi Audio BT10A Bluetooth 5.0 Stereo Audio Amplifier Receiver 2 Channel Class D

Fosi Audio BT10A Bluetooth 5.0 Stereo...

$45.99 USD

Fosi Audio BT10A Bluetooth 5.0 Stereo...

$45.99 USD

Pyle Home Theater Amplifier Audio Receiver 200W Digital AUX FM Antenna PDA7BU

Pyle Home Theater Amplifier Audio...

$67.99 USD

Pyle Home Theater Amplifier Audio...

$67.99 USD

Fosi Audio V3 Mono Power Amplifier PFFB 3255 Monoblock Class D Home Audio Amps

Fosi Audio V3 Mono Power Amplifier...

$111.99 USD

Fosi Audio V3 Mono Power Amplifier...

$111.99 USD

🔊 Donner MAMP5 Bluetooth HiFi Power Amplifier Receiver 4 Channel Audio Amp 600W

🔊 Donner MAMP5 Bluetooth HiFi...

$95.00 USD

🔊 Donner MAMP5 Bluetooth HiFi...

$95.00 USD

NEOHIPO ET30 Dual Analog VU Meter, 2-Way Amplifier/Speaker Audio Switcher Box

NEOHIPO ET30 Dual Analog VU Meter,...

$169.99 USD

NEOHIPO ET30 Dual Analog VU Meter,...

$169.99 USD

Cambridge Audio AXA25 Integrated Stereo Amplifier - Refurbed

Cambridge Audio AXA25 Integrated...

$199.00 USD

Cambridge Audio AXA25 Integrated...

$199.00 USD

Donner MAMP5 Bluetooth 4 Channel 1000W Audio Stereo Power Amplifier Receiver

Donner MAMP5 Bluetooth 4 Channel...

$72.99 USD

Donner MAMP5 Bluetooth 4 Channel...

$72.99 USD

Sunbuck 2200W HiFi bluetooth Power Amplifier 5 Channel Stereo Home Audio Amp

Sunbuck 2200W HiFi bluetooth Power...

$72.99 USD

Sunbuck 2200W HiFi bluetooth Power...

$72.99 USD

Neoteck HIFI Headphone Amplifier Earphone AMP 16-300Ω w/ 3.5mm Audio USB Cable

Neoteck HIFI Headphone Amplifier...

$23.35 USD

Neoteck HIFI Headphone Amplifier...

$23.35 USD

Bose Wi-Fi Bluetooth Music Amplifier, Certified Refurbished

Bose Wi-Fi Bluetooth Music Amplifier,...

$494.00 USD

Bose Wi-Fi Bluetooth Music Amplifier,...

$494.00 USD

PyleHome PWA15BT Bluetooth In-Wall Receiver - Wall Plate Audio Control Amplifier

PyleHome PWA15BT Bluetooth In-Wall...

$38.12 USD

PyleHome PWA15BT Bluetooth In-Wall...

$38.12 USD

USED Crown Audio D Series D-45 Two Channel Rack Mount Stereo Power Amplifier

USED Crown Audio D Series D-45 Two...

$99.99 USD

USED Crown Audio D Series D-45 Two...

$99.99 USD

Pyle 4-Ch. Bluetooth Amplifier Stereo Receiver System, with FM Radio PTA44BT

Pyle 4-Ch. Bluetooth Amplifier Stereo...

$80.99 USD

Pyle 4-Ch. Bluetooth Amplifier Stereo...

$80.99 USD

BoomCloud 360 Boomstick in-Line Wired Headphone Audio Enchancer Amp & Signal.

BoomCloud 360 Boomstick in-Line Wired...

$12.97 USD

BoomCloud 360 Boomstick in-Line Wired...

$12.97 USD

Mini Stereo Audio Preamplifier Headphone Amplifier Volume Controller

Mini Stereo Audio Preamplifier...

$17.55 USD

Mini Stereo Audio Preamplifier...

$17.55 USD

[Pre-sale] Fosi Audio V3 Mono Power Amplifier PFFB 3255 Monoblock Class D Amps

[Pre-sale] Fosi Audio V3 Mono Power...

$109.99 USD

[Pre-sale] Fosi Audio V3 Mono Power...

$109.99 USD

Fosi Audio ZA3 TPA3255 Balance Stereo Amplifier Home Audio Mono Subwoofer 48/32V

Fosi Audio ZA3 TPA3255 Balance Stereo...

$109.99 USD

Fosi Audio ZA3 TPA3255 Balance Stereo...

$109.99 USD

Douk Audio ST-01 PRO Bluetooth Tube Amplifier VU Meter USB DAC COAX/OPT Amp 100W

Douk Audio ST-01 PRO Bluetooth Tube...

$109.99 USD

Douk Audio ST-01 PRO Bluetooth Tube...

$109.99 USD

16-300Ω HIFI Headphone Amplifier Portable Earphone AMP 3.5mm w/ Audio USB Cable

16-300Ω HIFI Headphone Amplifier...

$13.99 USD

16-300Ω HIFI Headphone Amplifier...

$13.99 USD

Fosi Audio BOX X3 Bluetooth 5.0 Hi-Fi Tube Phono Preamplifier for MM Turntable

Fosi Audio BOX X3 Bluetooth 5.0 Hi-Fi...

$45.49 USD

Fosi Audio BOX X3 Bluetooth 5.0 Hi-Fi...

$45.49 USD

Dayton Audio SPA300-D 300 Watt Class-D Subwoofer Plate Amplifier

Dayton Audio SPA300-D 300 Watt...

$148.98 USD

Dayton Audio SPA300-D 300 Watt...

$148.98 USD

Pyle Compact Bluetooth Stereo Receiver System 200W FM Radio, 2 Inputs 4 Outputs

Pyle Compact Bluetooth Stereo...

$55.99 USD

Pyle Compact Bluetooth Stereo...

$55.99 USD

2000W blutooth 2 CH Stereo Receiver Amplifier Home Theater Audio Power Speakers

2000W blutooth 2 CH Stereo Receiver...

$59.97 USD

2000W blutooth 2 CH Stereo Receiver...

$59.97 USD

Lexicon DD-8(Multi-Room 8 Channel Home Theater Audio Amp 125Wx8) Bought In 2022!

Lexicon DD-8(Multi-Room 8 Channel...

$225.00 USD

Lexicon DD-8(Multi-Room 8 Channel...

$225.00 USD

ZK-1002L MINI Bluetooth 5.0 DC 5-24V Wireless Audio Digital Power Amplifi-

ZK-1002L MINI Bluetooth 5.0 DC 5-24V...

$13.34 USD

ZK-1002L MINI Bluetooth 5.0 DC 5-24V...

$13.34 USD

Pyle 19

Pyle 19'' Rack Mount 8Ch Stereo/Mono...

$277.99 USD

Pyle 19'' Rack Mount 8Ch Stereo/Mono...

$277.99 USD

AudioQuest DragonFly Red USB

AudioQuest DragonFly Red USB

$74.99 USD

AudioQuest DragonFly Red USB

$74.99 USD

Rotel RSP-1572, 7.1 Surround A/V Processor-1080P-New-Old Stock

Rotel RSP-1572, 7.1 Surround A/V...

$397.97 USD

Rotel RSP-1572, 7.1 Surround A/V...

$397.97 USD

BluDento BLT-2 True Hi-Fi aptX HD Bluetooth v5.1 Music Receiver COAXIAL OPTICAL

BluDento BLT-2 True Hi-Fi aptX HD...

$60.00 USD

BluDento BLT-2 True Hi-Fi aptX HD...

$60.00 USD

800W 2 Channel bluetooth Mini HIFI Power Amplifier Audio Stereo Amp Home Car FM

800W 2 Channel bluetooth Mini HIFI...

$20.49 USD

800W 2 Channel bluetooth Mini HIFI...

$20.49 USD

100W Mini Bluetooth 5.0 Digital Power Amplifier TPA3116 Stereo Audio Receiver

100W Mini Bluetooth 5.0 Digital Power...

$24.99 USD

100W Mini Bluetooth 5.0 Digital Power...

$24.99 USD

NEW Behringer Micro Amp HA400 Ultra-Compact 4-Channel Stereo Amplifier N1144 C0

NEW Behringer Micro Amp HA400...

$24.99 USD

NEW Behringer Micro Amp HA400...

$24.99 USD

Monoprice 10761 6 Channel Home Audio Multi Zone Controller and Amplifier Kit

Monoprice 10761 6 Channel Home Audio...

$470.00 USD

Monoprice 10761 6 Channel Home Audio...

$470.00 USD

0905 Full Aluminium Gehäuse/Fall/Preamp Box/Netzteil Chassis DIY Breeze Audio

0905 Full Aluminium...

$16.21 EUR

0905 Full Aluminium...

$16.21 EUR

NEW BOZAK M Phono Preamp Pre Amp Record Player Vinyl LP Album Amplifier

NEW BOZAK M Phono Preamp Pre Amp...

$21.99 USD

NEW BOZAK M Phono Preamp Pre Amp...

$21.99 USD

Nobsound Mini Bluetooth 5.0 Digital Power Amplifier Stereo Amp NO POWER ADAPTER

Nobsound Mini Bluetooth 5.0 Digital...

$21.99 USD

Nobsound Mini Bluetooth 5.0 Digital...

$21.99 USD

600W bluetooth 5.0 Power Amplifier Stereo Amplifier Audio 5 CH AMP Car&Home NEW

600W bluetooth 5.0 Power Amplifier...

$26.81 USD

600W bluetooth 5.0 Power Amplifier...

$26.81 USD

Sonos Amp Gen 2 (Newest Generation)NEW! AMPG1US1BLK *FREE SHIPPING!

Sonos Amp Gen 2 (Newest...

$605.00 USD

Sonos Amp Gen 2 (Newest...

$605.00 USD

BluDento B1 True Hi-Fi aptX HD NFC Bluetooth v5.1 Audio Receiver COAXIAL OPTICAL

BluDento B1 True Hi-Fi aptX HD NFC...

$36.99 USD

BluDento B1 True Hi-Fi aptX HD NFC...

$36.99 USD

Topping D10s HiFi USB DAC and L30 Headphone Amplifier Combo HIRES AUDIO

Topping D10s HiFi USB DAC and L30...

$109.98 USD

Topping D10s HiFi USB DAC and L30...

$109.98 USD

NAD M17 V2i original Home Theater Processor (4K/Atmos/Dirac/BluOS Streaming)

NAD M17 V2i original Home Theater...

$2,500.00 USD

NAD M17 V2i original Home Theater...

$2,500.00 USD

400W 12V 2 Channel Powerful Stereo Audio Power Amplifier HiFi Bass Amp Car Home

400W 12V 2 Channel Powerful Stereo...

$10.44 USD

400W 12V 2 Channel Powerful Stereo...

$10.44 USD

New Phono Turntable Preamp Mini Electronic Audio Stereo Phonograph Preamplifier

New Phono Turntable Preamp Mini...

$18.99 USD

New Phono Turntable Preamp Mini...

$18.99 USD

Pyle PRO Phono Turntable Pre-Amplifier PP999

Pyle PRO Phono Turntable...

$18.99 USD

Pyle PRO Phono Turntable...

$18.99 USD

Monoprice Stereo Hybrid Tube 25W Bluetooth Amplifier - 2019 Edition

Monoprice Stereo Hybrid Tube 25W...

$139.00 USD

Monoprice Stereo Hybrid Tube 25W...

$139.00 USD

Earthquake Sound Amplifier Cinénova Grande 7 BR

Earthquake Sound Amplifier Cinénova...

$3,969.99 USD

Earthquake Sound Amplifier Cinénova...

$3,969.99 USD

Cambridge Audio AXR85 FM/AM Stereo Receiver - Refurbed

Cambridge Audio AXR85 FM/AM Stereo...

$339.00 USD

Cambridge Audio AXR85 FM/AM Stereo...

$339.00 USD

2000W 2 Channel Amp Stereo Amplifier Home Theater Audio Power Amplifier

2000W 2 Channel Amp Stereo Amplifier...

$59.84 USD

2000W 2 Channel Amp Stereo Amplifier...

$59.84 USD

NEW Pyle 1200W Audio Speaker Power Amplifier System (PCAU46BA)

NEW Pyle 1200W Audio Speaker Power...

$44.99 USD

NEW Pyle 1200W Audio Speaker Power...

$44.99 USD

Neoteck 16-150Ω HiFi Headphone Amplifier Earphone with 3.5mm Audio USB Cable

Neoteck 16-150Ω HiFi Headphone...

$24.65 USD

Neoteck 16-150Ω HiFi Headphone...

$24.65 USD

Extron XPA 2001-70V Xtra Power 70V 200W Amplifier

Extron XPA 2001-70V Xtra Power 70V...

$40.00 USD

Extron XPA 2001-70V Xtra Power 70V...

$40.00 USD

210W/Ch 7-Ch Class AB Home Theater Power Amplifier XLR/RCA High-Fidelity HTA7200

210W/Ch 7-Ch Class AB Home Theater...

$999.99 USD

210W/Ch 7-Ch Class AB Home Theater...

$999.99 USD

Focusrite Clarett+ OctoPre Eight-Channel Preamp with 24-Bit 192 kHz Conversion

Focusrite Clarett+ OctoPre...

$429.97 USD

Focusrite Clarett+ OctoPre...

$429.97 USD

2 Channel Stereo PA Mini Amplifier 4 to 16 Ohm 20 Watt 3.5 Aux Input USB

2 Channel Stereo PA Mini Amplifier 4...

$15.99 USD

2 Channel Stereo PA Mini Amplifier 4...

$15.99 USD

Composite Male RCA to SVideo S Video Female adapter converter BI-Directional -

Composite Male RCA to SVideo S Video...

$6.99 USD

Composite Male RCA to SVideo S Video...

$6.99 USD

Rotel S14 Stereo Integrated Amplifier w/ Wi-Fi, AirPlay 2, and Bluetooth (Black)

Rotel S14 Stereo Integrated Amplifier...

$999.00 USD

Rotel S14 Stereo Integrated Amplifier...

$999.00 USD

2000W 2 Channel bluetooth Mini HIFI Power Amplifier Audio Stereo Amp Home Car

2000W 2 Channel bluetooth Mini HIFI...

$61.99 USD

2000W 2 Channel bluetooth Mini HIFI...

$61.99 USD

Burson Audio V7 Vivid Pro Dual x1 Opamp

Burson Audio V7 Vivid Pro Dual x1 Opamp

$88.00 USD

Burson Audio V7 Vivid Pro Dual x1 Opamp

$88.00 USD

400W 12V 2 Channel Digital Stereo Audio Power Amplifier HiFi Bass Amp Car Home

400W 12V 2 Channel Digital Stereo...

$13.98 USD

400W 12V 2 Channel Digital Stereo...

$13.98 USD

Sunbuck 2000W 2 Channel Power Amplifier bluetooth 5.0 Stereo Audio Amp Home FM

Sunbuck 2000W 2 Channel Power...

$49.78 USD

Sunbuck 2000W 2 Channel Power...

$49.78 USD

SHANLING ET3 CD Transport Player Dedicated High-End Digital Transport Turntable

SHANLING ET3 CD Transport Player...

$677.97 USD

SHANLING ET3 CD Transport Player...

$677.97 USD

McIntosh MC402 Power Amplifier

McIntosh MC402 Power Amplifier

$5,200.00 USD

McIntosh MC402 Power Amplifier

$5,200.00 USD

Monolith M5100X 5x90Watts Per Channel Multi-Channel Home Theater Power Amplifier

Monolith M5100X 5x90Watts Per Channel...

$549.99 USD

Monolith M5100X 5x90Watts Per Channel...

$549.99 USD

"Now Hear This" Passive Volume Control, NHT Pro or Non-Pro

"Now Hear This" Passive Volume...

$35.00 USD

"Now Hear This" Passive Volume...

$35.00 USD

AudioSource Audio Source AMP100VS 2 Channel Amplifier - Black - FULLY TESTED

AudioSource Audio Source AMP100VS 2...

$99.00 USD

AudioSource Audio Source AMP100VS 2...

$99.00 USD