F1 Pure Class A Preamplifier Support Treble/Mid/Bass Adjustment Bluetooth5.4 Version (LME49720NA Operational Amplifier)

F1 Pure Class A Preamplifier Support Treble/Mid/Bass Adjustment Bluetooth5.4 Version (LME49720NA Operational Amplifier)

Features:
- Class A linear parallel voltage regulator circuit with battery characteristics, low ripple, and low noise.
- Support treble/mid/bass independent adjustment.
- Direct PASS function.
- R-type transformer, with low leakage flux, high sound density and clean background; pure Class A power circuit design, with multi-stage rectification and filtering, low ripple, low noise, and strong power output.
- QCC3084 Bluetooth 5.4 independent decoding circuit supports lossless Bluetooth formats for LDAC, APTX, ACC, etc. The independent ES9023 decoding chip makes the sound clearer and purer.

Specification:
- Model: F1
- Bluetooth: QCC3084
- Bluetooth decoding chip: ES9023
- Bluetooth protocol: for SBC, ACC, APTX, APTX-HD, LDAC
- SNR: 113dB at 1kHz
- Distortion: 0.01% at 1kHz
- Frequency response range: 20Hz - 22kHz
- Operational amplifier: LME49720NA x 2
- Power supply voltage; AC220V/110V
- Product size: 190 x 47 x 191mm
- Net weight: 1.45kg

Package Included:
- 1 x Power Amplifier
- 1 x Power Cable