SPECIFICATIONS

Brand Name: HKFZ

Certification: NONE

Control Method: Others

High-concerned chemical: none

Material: others

Maximum Power Per Channel: NO POWER

Origin: Mainland China

Output Power: 0

Surround sound channel configuration: Others

The F15 preamp board is developed to add audio amplification, input selection, and remote control functions to power amplifier boards or older amplifiers
Prepare the following features:
1. Adopts HIFI chip NJW1194, distortion level 0.0015%, transparent and delicate sound, two-channel error not exceeding one thousandth, far surpasses audio converters, lifespan near infinity
2. Equipped with volume adjustment, treble and bass adjustment, dual input display, and full-function remote control
3. 2.8inch True Color TFT Pointer Display, Enhances Dynamic Effect, Aesthetic Grade
4. High cost performance, better price and functionality than a remote control motor volume board with mediocre performance alone
Usage operation: The default rotary digital potentiometer controls the main volume by increasing or decreasing. To switch input channels, press the digital potentiometer. Note that the potentiometer can be rotated or pressed. Press the red dot to switch to the second row of channels, then rotate the digital potentiometer to switch to AUX1 or AUX2 channels. The same goes for adjusting treble and bass; first press the digital potentiometer to select the corresponding channel, then rotate the potentiometer