Yong Heng Zhi Yin 11 Knob Preamplifier Board with Bluetooth 5.2, USB/SD/TF, Mic and Guitar Inputs for Audio Amplifier

Description:
Complete Input & Control Functions
- Upgraded preamp panel with 11 knobs supports Bluetooth, USB, SD/TF card, microphone and guitar input. You can adjust mic treble, bass, reverb, delay, excitation and volume independently.

Premium Components & Durable Design
- Imported op-amps, audio capacitors and reverberation chip
- Bluetooth and USB drive DAC board
- SMD process to prevent component loosening during outdoor use

Preamp Parameters:
- USB Playback Support: Audio files in formats including APE, FLAC, WAV, WMA, MP3
- Supported Functions: Bluetooth playback, SD card playback, USB playback, external audio input playback; microphone function (microphone sold separately)
- Panel Dimensions: 32cm (L) × 15cm (W)
- Panel Cutout Dimensions: 29cm (L) × 12cm (W)

Packing List:
- 1 × Preamp Panel

Packaging Details:
- Weight: 1.2kg