Fosi Audio BL20C User Manual Download Page 3 | Manualshive

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Fosi Audio BL20C User Manual Download Page 3

Product Overview & Control

Functions

Power Switch

U-disk Input

RCA Input

Passive Speaker

Output

Bass Control

Active Subwoofer

Output

DC Input

(19-35V)

Treble Control

Volume Control

Next Song

Previous

Song

Power

Indicator

Bluetooth/USB

Indicator

Short press to pause and playback,

long press to switch U-disk and Bluetooth input

Bluetooth Antenna

Interface

Back Panel

Bluetooth

Antenna

Front Panel

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Summary of Contents for BL20C

Page 1: ...Thanks for choosing us Fosi Audio BL20C User Manual ...

Page 2: ...dopting classic TDA7498E chip to get clear sound without any audible noise even at high output Input mode AUX Bluetooth U disk U disk USB 2 0 compatible with USB 3 0 U disk capacity Up to 32GB no more than 100MB per file Output mode Active subwoofer Passive Speakers Support format MP3 WMA APE FLAC WAV Max output power 160 watt x 2 4 ohm Working voltage 19 35V Speaker impedance 4 8Ω SNR 98dB THD 0 ...

Page 3: ...ass Control Active Subwoofer Output DC Input 19 35V Treble Control Volume Control Next Song Previous Song Power Indicator Bluetooth USB Indicator Short press to pause and playback long press to switch U disk and Bluetooth input Bluetooth Antenna Interface Back Panel Bluetooth Antenna Front Panel ...

Page 4: ...nguish between positive and negative polarity Prepare 4 Make sure the power switch is on the OFF position Prepare 5 Connect the power supply and turn it on the power indicator shows red light Note Please make sure that the power switch is in the OFF position before connect the power supply How to connect the speaker wire Method 1 Bare wire connection illustration Release the horn terminals block t...

Page 5: ...speakers wires to contact each other which will result in no sound output 1 2 3 4 5 1 2 3 Bluetooth Input Prepare your Bluetooth device take a phone as an example Step 1 Install the Bluetooth antenna Step 2 Switch the input mode to the BT USB position the BT USB indicator shows blue light Step 3 Turn on the Bluetooth on your phone and connect BT HIFI AUDIO it is easy to cause the positive and nega...

Page 6: ...the front panel and BL20C will automatically recognize the music format in the U disk Step 3 Short press the PREV NEXT or P M buttons on the front panel of BL20C to select or pause your songs Note The capacity of U disk for BL20C should be under 32GB and no more than 100MB per file Note Make sure there is no Bluetooth connection if there is please press and hold the P M button to switch to USB mod...

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Page 8: ...he original factory standard power supply please replace the power supply before testing Many power supply in the market have large interference coefficient which will cause a lot of current sound 4 My Bluetooth device cannot pair with BL20C Make sure that you have selected the input channel to BT USB on the front panel of the BL20C and the BT USB indicator shows blue light Make sure there is no U...

Page 9: ...nd quality is not good Make sure all the cables are fully connected Adjust the treble and bass control of the power amplifier to achieve the right tone Please try to change the sound source and cables to test 8 Can BL20C accept signal from a Bluetooth microphone Please make sure your Bluetooth microphone must be the transmitter Because BL20C is a Bluetooth receiver amplifier Please make sure that ...

Page 10: ...the power supply will stay on Please replace another power supply and try it again 19 35V DC power supply are suitable If you make sure the power supply is defective please contact us for exchange 13 How can I use BL20C to create a 2 1 Channel system You can connect two passive speakers via SPK OUT and one active subwoofer via SUB OUT to create a 2 1 Channel system Please use a RCA cable to connec...

Page 11: ...the wire connections from the audio source to each speaker in the amplifier are connected correctly Please check that the cable and your U disk are not loosen or damaged Incomplete connection is one of the main reasons for no sound 17 Does BL20C support aptX HD and aptX LL No BL20C does not support aptX HD and aptX LL 18 One channel does not work Please test whether the Bluetooth and RCA input hav...

Page 12: ...cts have an 18 month limited warranty on parts and labor from the date of purchase Please contact us if you have any problems About Fosi Audio Fosi Audio designs and builds innovative audio products with all your music in mind Great sound simple but elegant designs high quality materials and truly useful features are what Fosi Audio is about We sincerely hope you get as much enjoyment from our pro...

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