Fosi Audio P3 Tube Preamp

Specifications:
RMS Output: 250 mW @ 16Ω; 150 mW @ 32Ω; 32 mW @ 250Ω; 20 mW @ 300Ω
Headphone Impedance: 16 – 300Ω
Noise Level: 64 µV
Input: Bluetooth, RCA
Output: RCA, 3.5mm, AUX
Frequency Response: 20 Hz – 20 kHz (±1 dB)
Dynamic Range: 104 dB
THD: ≤ 0.02%
SNR: ≥ 103 dB
Crosstalk: 95 dB
Bluetooth Chip: QCC3031
Version: 5.1
Range: ≥ 10 m
Codecs: SBC/AAC/aptX/aptX HD/aptX LL