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AIYIMA SMSL Subwoofer Tube Amplifier Lossless decoding Fiber Coaxial Bluetooth hifi 80W 2.1 6F1 Vacuum Tube Power Amplifier

Standard version: headphone jack, treble adjustment, bass adjustment.

Upgraded version:headphone jack, treble adjustment, bass adjustment, USB jack, with 5.0 Bluetooth.

Premium version: headphone jack, treble adjustment, bass adjustment, USB jack, with 5.0 Bluetooth, subwoofer output, coaxial input, optical input.

product description:

Output power: 80W+80W

Rated power: 35W+35W

Output impedance: 4-8 ohm

Electronic tube: 6F1*2/6U1*2

Weight: 4.5KG

Treble and bass adjustment: ±10db

Frequency response: 20Hz-20KHz

Signal to noise ratio: >80db

Sensitivity: 650mv

Size: 260*270*150mm

1: Active bass signal output

2: Digital optical input

3: Digital coaxial input

4: Two sets of audio signal input

5: Speaker cable interface

6: Cooling fan

7: Power cord interface