Will the USB input charge your input device?

No, the device can be powered through the power connector. USB is an interface as an input device

Can I connect to a turntable or do I also need a pre amp

I connect to a Bose 5.1 sound system with base woofer and 4-way speakers. The Bose system is not independently powered, and everything works just fine.

can I connect a cd player to this via the RCA inputs?

Yes you can In fact you can connect any audio device that is capable of provding 'line out' levels. You could connect a record deck but would need a preamplifer between the deck and the amp as the sensitivity of the input is 'line level'

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Fosi Audio BL20C 320 Watts Bluetooth 5.0 Power Amplifier USB Flash Drive Player 2.1 CH Mini Hi-Fi Class D TDA7498E Integrated Amp for Home Passive Speakers Powered Subwoofer

Fosi Audio BL20C 320 Watts Bluetooth 5.0 Power Amplifier USB Flash Drive Player 2.1 CH Mini Hi-Fi Class D TDA7498E Integrated Amp for Home Passive Speakers Powered Subwoofer

Product ID: 67692443

Details

Audio output mode
Stereo
Brand
Fosi Audio
Colour
Black
Compatible devices
Personal
Connectivity technology
Bluetooth RCA
Connector type
RCA

💾USB flash drive playback

📶Bluetooth 5.0 wireless streaming

🔊320W max output power

Description

🎶 Elevate your home audio game with power, precision, and wireless freedom!

COMPACT YET MIGHTY - Sleek mini design packs a punch with smart thermal and overload protection, perfect for any modern home setup.
POWERHOUSE PERFORMANCE - 320 Watts of crystal-clear Class D amplification to fill your space with rich, room-shaking sound.
VERSATILE AUDIO INPUTS - Supports USB flash drives and RCA inputs, effortlessly playing MP3, FLAC, WAV, and more for ultimate flexibility.
PRECISION SOUND CONTROL - Dedicated bass, treble, and volume knobs let you tailor your audio experience like a pro DJ.
SEAMLESS WIRELESS CONNECTIVITY - Bluetooth 5.0 ensures stable, high-fidelity streaming from all your favorite devices without a hitch.

The Fosi Audio BL20C is a compact 2.1 channel Class D amplifier delivering up to 320W of power, featuring Bluetooth 5.0 for wireless streaming, USB flash drive playback supporting multiple audio formats, and versatile RCA inputs. Equipped with the TDA7498E chip, it offers hi-fi sound quality with smart protection and customizable bass, treble, and volume controls, making it an ideal upgrade for home passive speakers and powered subwoofers.

Specifications

ASIN	B077QPTPVW
Audio Output Mode	Stereo
Audio Output Type	Bluetooth
Best Sellers Rank	80,409 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 442 in Hi-Fi Amplifiers
Brand Name	Fosi Audio
Colour	Black
Compatible Devices	Personal Computer, Speaker, Television
Connector Type	RCA
Control Method	Touch
Controller Type	Android
Customer Reviews	4.5 4.5 out of 5 stars (885)
Format	WAV, WMA
Item Weight	1.04 kg
Manufacturer	Fosi Audio
Manufacturer Part Number	BL20C
Model Number	BL20C
Network Connectivity Technology	Bluetooth, RCA, USB
Number of Channels	2
Other Special Features of the Product	Built-In Bluetooth
Output Power	320 Watts
Output Wattage	320 Watts
Product Warranty	24 months
Surround Sound Channel Configuration	2.1
Unit Count	1.0 count
Wattage	320 watts
Wireless Technology Type	Bluetooth

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