Parameters:
--Product number:A9
--Color:Blac
--Working power:DC 12V 1.5A
--Frequency Range:20Hz-20KHz(±3dB)
--Audio input:Bluetooth 5.0/RCA/U Disk
--Audio output:RCA/3.5mm headphone port
--Signal to noise ratio:≥110dB (when RCA input)
--Distortion:0.05%
--U Disk Memory:≤32GB
--U Disk:MP3/WMA/APE/FLAC/WAV etc
--Headphone impedance:6-300 ohm
--Maximum output power of headphones:100mW (32 ohm)
--Input sensitivity:0.775V
--RCA output level:1,4Vrms
--High school bass gain:±6dB
--Product Size:13*14*3(CM)
--Net weight:0.42kg
--Package weight:0.7kg
Package included:
1* Preamp host(Not a power amplifier)
1* Power adapter
1* Bluetooth antenna
2* 6K4 tube
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