Fosi Audio DA-2120B Скачать руководство пользователя страница 2

Product Specifications

Fosi Audio DA-2120B is a ultra mini Bluetooth 5.0 audio 

amplifier for passive speakers that features stereo 100 watt 

x2, 2 channel power amp which is equipped with integrated 

Bluetooth, USB, coaxial, optical, 3.5mm aux and USB flash 

disk inputs, with a remote control to switch volume, bass, 

treble and modes to enjoy hi-res music!

THD:

SNR:

Bluetooth:

Max Power Output: 

Bluetooth Transmission 
Distance: 

Input Mode: 

≤ 0.001%

DA-2120B

≥ 92dB

Bluetooth Name:

Up to 50ft

Remote Control Distance: 

Up to 20ft

Power Supply:

24V 4.5A

100W + 100W @4Ω

Terminating Impedance:

2-8Ω
(Recommended 4Ω)

Blu USB + coaxial 
+ o 3.5mm aux
+ USB flash disk

USB Input Sampling 
Frequency: 

16Bit/48kHz

Output Mode: 

Passive Speakers 

Optical/Coaxial Input 
Sampling Frequency: 

32Bit/192kHz

Maximum USB flash 
drive storage: 

32GB

Frequency Range: 

15Hz - 20kHz

Working Voltage: 

12V - 24V

V5.0 

Содержание DA-2120B

Страница 1: ...Thanks for choosing us Fosi Audio DA 2120B User Manual ...

Страница 2: ... enjoy hi res music THD SNR Bluetooth Max Power Output Bluetooth Transmission Distance Input Mode 0 001 DA 2120B 92dB Bluetooth Name Up to 50ft Remote Control Distance Up to 20ft Power Supply 24V 4 5A 100W 100W 4Ω Terminating Impedance 2 8Ω Recommended 4Ω Bluetooth USB coaxial optical 3 5mm aux USB flash disk USB Input Sampling Frequency 16Bit 48kHz Output Mode Passive Speakers Optical Coaxial Inp...

Страница 3: ...enna LED Display Power Switch Multi function Knob Short press to switch modes Turn the knob to adjust the volume AUX Input Coaxial Input USB Flash Drive Input PC USB Input Speakers Output Only support passive speakers Antenna Interface Optical Input DC Input Max 24V BT R L PC OPT U DISK INPUTS AUX COA DC IN DA 2120B V V MODE ...

Страница 4: ...H B 14 Mute on off 3 Software volume 5 Treble up 6 Power on off 1 Play mode single cycle all loop file loop random play Note It can only be used in USB flash 2 Number Function Software volume down Note For hardware sound please adjust the volume knob of the device 4 ...

Страница 5: ...eakers speaker wires and banana plugs Prepare 2 Connect the DA 2120B to the passive speakers via the speaker wire or banana plugs Prepare 3 Connect the 24V power supply to the DC input Prepare 4 Short press the Power Switch to turn on the DA 2120B amplifier Treble down 7 Bass down 8 Bass up 9 Input mode select 10 Previous song 11 Next song 12 Play Pause 13 Rewinds song 15 Fast forwards song 16 Num...

Страница 6: ...to connect the speaker wire Method 1 Banana plugs connection illustration Release the banana jacket Loosen the screw Insertion speaker wire and tighten the screw Tighten the banana jacket Insert the banana plug into the horn terminals of the speaker and amplifier Note Please make sure that the speakers wire are not attached with each other the speaker connection area is very narrow it is easy to c...

Страница 7: ...cable Step 1 Connect the PC to DA 2120B s USB interface via the PC USB cable Step 2 Press the Multi function Knob to select to USB mode Step 3 Click the sound icon in your PC s notification area click the Select playback device option select the playback device SPDIF USB AUDIO or Fosi Audio DA2120B Step 4 Open the audio application play and enjoy Note In USB mode please do not insert the USB flash...

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Страница 9: ...ble Step 2 Press the Multi function Knob to select to coaxial mode Step 3 Set the TV s coaxial output sound to RAW PCM Note Due to different TV types some TVs default Dolby or DTS sound output DA 2120B does not support Dolby and DTS sound please select RAW PCM sound otherwise you will hear a lot of noise or no sound output Step 4 Open the audio application play and enjoy AUX for example Prepare AU...

Страница 10: ...shooting QA 1 Why do I feel that the amplifier is underpowered and the sound is very small DA 2120B amplifier has hardware volume adjustment and software volume adjustment Please make sure the volume of the amplifier is adjusted to the maximum and the volume of the remote control is adjusted to the maximum 2 Why do I get loud hiss noise coming from the TV via optical input Please turn off Dolby DT...

Страница 11: ...y power supply in the market have large interference coefficient which will cause a lot of current sound 6 My Bluetooth device can t pair with DA 2120B Make sure that DA 2120B Bluetooth mode is on and BLU display is flashing Make sure that DA 2120B is not paired with other devices Make sure that the distance between your device and DA 2120B is not too long put your device close to the DA 2120B to ...

Страница 12: ...not recognized on Windows Computer sound setting Select Start then type device manager in the Search box and then select Device Manager Expand Universal Serial Bus controllers Press and hold or right click the DA 2120B Digital Hifi Audio device and select Uninstall Repeat for each device to uninstall Restart your computer Your USB controllers will automatically install Please try another computer ...

Страница 13: ...the same problem swap the speaker cables of the left and right channels If only RCA mode does not work change the audio source change the RCA cable and test again and make sure that all the cables are completely pushed into the device 12 Can I leave the DA 2120B power on all the time Does it safe Sure the DA 2120B is class D amplifier will cost very low power when nothing playing through it and it...

Страница 14: ...nge the power supply come with the amplifier and to get more power 14 Can I listen to two audio inputs at the same time Bluetooth music and line in game audio No only one mode can be used at a time Any problems please leave a message to the customer support email address support fosiaudio com ...

Страница 15: ...s 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 produ...

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