P1 Bluetooth 5.0 GE5654 Vacuum Tube Preamplifier Hi-Fi Valve Headphone Amplifier Wireless Receiver Audio Decoder Preamp…

Parameters:
Chip Architecture: CM6642+QCC3008+NE5532+classic 47
PC-USB Input Sampling Frequency: 192K/24Bit
THD: 0.01%
PC-USB System supported: XP/W7/W8/W10/MAC/Linux
Bluetooth VER: 5.0
Headphone matching impedance: 32-300Ω
SNR: 103dB
Headphone Max power output: 160mW 32Ω load
Working voltage: DC12V
Bass & Treble Range: ±6dB
Product Dimension: 180*118*36mm
RCA output level: 2.3V
Product Weight: 0.47kg
Frequency Range: 20Hz-20kHz(±3dB)
Package Dimension: 240*210*60mm

Packing List:
1*P1 Preamp
2*6J5 Tube
1*Power Supply
1*USB Cable
1*Bluetooth Antenna
1*Manual

P1 is a Bluetooth vacuum & valve tube preamplifier and headphone amplifier. Headphone output is 160mW @32Ω and is suitable for 32~300Ω headphones and headsets.
Classic 6J5 vacuum & valve tube can provide warm retro tube sound. It can be replaced by 6J1, 6J4, GE5654, 6AK5, 6Ж1n-EB.
It supports Bluetooth/USB/RCA inputs from various devices like iPod, Phone, MP3, TV, Blu-ray players, Echo Dot, CD players, computer etc.
Bluetooth 5.0 supports APT-X, APT-X LL lossless transmission. PC-USB supports 24bit 192KHz and is compatible with Windows/Mac/Linux system
Treble & bass control can achieve different sound style. Bypass function can suspend the tone control circuit to achieve purer music experience.