Fosi Audio BT20A PRO Bluetooth 2-Channel Class D Hi-Fi Amplifier

This listing features a Fosi Audio BT20A PRO Bluetooth 2-channel Class D hi-fi amplifier for home audio setups. The item is in open box condition, so it may show minor handling marks and the packaging may have been opened; check the listing for details on what’s included. Free Shipping is provided. If you need specifics such as exact power output, supported inputs, or included accessories, check the listing for details.

USD 74.99
Condition: see listing
LocationLos Angeles US
ShippingFree shipping (check listing for details)
Seller fosiaudio-official-store
98.4% positive · 382 feedback
ListingFixedPrice · Active
Start time2025-06-18T10:20:18.000Z
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Fosi Audio BT20A PRO Bluetooth 2-Channel Class D Hi-Fi Amplifier Specs
Frequency Range20Hz-20kHz(±1.2dB)
DC Input Range24-48V
Output Power300Wx2 @4Ω
MPNTPA3255
Year Manufactured2023
Compatible ProductAntenna
Audio OutputsBanana Speaker Jacks
Power Supply32V 5A
Amplifier ClassD
BrandFosi Audio
THD≤0.005%
TypeHi-Fi Amplifier
Chip SetTPA3255
Audio InputsRCA
Number of Channels2
Input ModeBluetooth 5.0 + RCA
SNR≥108dB
Manufacturer Warranty1 Year
ModelBT20A-PRO
FeaturesDigital
Output ModePassive Speakers + Pre-out
Power300W x2
UPC731235301456
Listing details

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div > .picture_carousel_radio:nth-of-type(2):checked ~ > .picture_carousel_radio:nth-of-type(3):checked ~ > .picture_carousel_radio:nth-of-type(4):checked ~ > .picture_carousel_radio:nth-of-type(5):checked ~ > .picture_carousel_radio:nth-of-type(6):checked ~ > .picture_carousel_radio:nth-of-type(7):checked ~ > .picture_carousel_radio:nth-of-type(8):checked ~ > .picture_carousel_radio:nth-of-type(9):checked ~ > .picture_carousel_radio:nth-of-type(10):checked ~ > #picture_module ~ > #picture_module ~ > #picture_module ~ > #picture_module ~ > #picture_module ~ > #picture_module ~ > #picture_module ~ > Store CategoriesStore CategoriesBLUETOOTH AMPLIFIERHEADPHONE AMPLIFIERPREAMPDAC2 CHANNEL AMPLIFIER2.1 CHANNEL AMPLIFIERMONO AMPLIFIERSUBWOOFER AMPLIFIERHot saleOtherFosi Audio BT20A Pro 300W x2 TPA3255 Bluetooth 5.0 Home Audio Stereo 2 Channel Amplifier Receiver Mini Hi-Fi Class D Upgraded Integrated Amp for Speakers with Bass Treble ControlProduct Description Features: 300 Watts x2 Power Output: Provided by the TI TPA3255 chip which features an advanced feedback design and proprietary high-speed gate driver error correction. In addition to excellent audio performance, TPA3255 achieves both high power efficiency and very low power stage idle losses below 2.5W. High Efficiency: A significant upgrade from the BT20A amplifier. There're two plug-ins NE5532 Op-Amps can be replaced by MUSES02/OPA26041P/OPA2134PA Op-Amps etc. To create a different sound quality. SNR≥108dB; THD≤0.005%. Upgraded Bluetooth 5.0 connectivity: By pressing and holding the volume control for five seconds, the Bluetooth pair can be cleared. In addition, it has a Bluetooth memory function, so it can be easily paired the next time. It also receives an alert tone. Sound Control: With its unique design, the BT20A Pro amplifier for home audio has a wide range of bass and treble controls. Alternatively, you can turn the treble and bass effects to a middle point to listen to the original sound without effects. Specifications: Model:BT20A PRO Output Power:300Wx2 @4Ω Terminating Impedance:2-8Ω Input Mode:Bluetooth + RCA Output Mode:Passive Speakers + Pre-out Frequency Range:20Hz-20kHz(±1.2dB) THD ≤0.005% SNR ≥108dB Chip Set:TPA3255 Bluetooth Transmission Distance:Up to 50Ft Bluetooth Transmission Format:SBC/AAC Device Dimension:5x5x1 inches DC Input Range:24-48V Power Supply:32V 5A What‘s in the box? BT20A Pro Power Amplifier x 1 Bluetooth Antenna x 1 32V 5A Power Adapter x 1 AC Cord x 1 User’s Manual x 1 Copyright © 2023 DianxiaomiOn Jun 18, 2025 at 03:25:09 PDT, seller added the following information:.dc_tracker_img .dc_tracker_img:last-of-type p:empty+hr hr+span.ebay,hr+*>span.ebay