AK-DB16VU Electronic VU Retro Level Indicator 16-Bit Dual Mode Voice-Activated Music Level Indicator Music Spectrum Display

Specification:
Model: AK-DB16VU
Product Name: Retro Electron VU Level Indicator
Channels: Mono (single board) / Stereo (two boards linked)
LED quantity: 16 segments per board, arc layout
Signal range: -30 dB to +2 dB (front scale marking)
Working modes: AGC mode, professional dB mode, voice‑activated induction mode
Input: 3.5 mm audio signal input, L/R channel selection switch
Power supply: DC 5 V / 1 A, USB‑C rear and side ports
Display mode: 159 pattern options
Resolution: 800 x 480 (internal display processing)
LED luminous length: approx. 24 mm per segment
Memory function: saves last settings for long‑term fixed use
Housing: acrylic front & back panels, screw‑fixed corners
Size (mono): 100 x  50 x 10.5 mm
Size (stereo: two linked boards): 200 x 50 x 10.5 mm

Note: This product is an unassembled item; you will need to assemble and solder it.
Features:
1. 16‑segment arc LED music level display with clear dB scale on the front panel.
2. Triple input options: default voice‑activated mode, switchable 3.5 mm line‑in, and AGC/dB professional modes.
3. Adaptive AGC automatically matches audio amplitude; dB mode offers reference‑grade level indication via audio cable.
4. Linkable "online" ports allow two boards to synchronize for stereo use or multi‑panel visual setups.
5. L/R channel slide switch lets you freely assign left or right channel for accurate stereo layout.
6. Built‑in memory keeps brightness, mode and channel settings after power off for convenient daily use.

Package Includes:
1 x AK‑DB16VU Retro Electron VU Level Indicator