B-111 P-78WTC High-Precision VU Meter Head Speaker Tuning Power Meter With Backlight Level Meter Audio Meter Tube Duct M

1. Movable part: movable coil type

2. Appearance: see the attached page for details

3. Pointer material: zinc white copper

Pointer color: White

Direction of pointer swing: from left to right

Pointer length: 30 ± 1mm from white needle end to shaft center

Pointer width: 0.45 ± 0.05mm

4. Upper cover material: PMA UL94HB or above

5. Lower cover material: ABS UL94HB or above

6. Magnet: material: sintered aluminum nickel drill magnet

7 Frame material: SPCC

8. Enamelled wire material: UEW polyurethane copper wire

9. Installation position of electricity meter: vertical

10: Backlight plate: 3 PCS LED parallel connection 3.0-3.3V 60mA

1. AC/DC12-16V power supply shall distinguish AC and DC input terminals. し, G, R: This is the dual channel input terminal of the drive panel, which can be connected to the audio (the signal is the signal that can be heard by the headset) and power amplifier output terminals of the mobile phone, computer sound card, front stage and other audio source equipment. When wiring, L, G, R are respectively connected to the left, ground, and right channels of the audio source equipment. If the input is the mobile phone, computer sound card, front stage and other audio sources, please turn dial switches 1 and 3 to the "ON" end. 1AC/DC12-16V power supply, and distinguish between AC and DC input terminals.

2. L, G, R: This is the dual channel input terminal of the drive panel, which can be connected to the audio (the signal is the signal that can be heard by the headset) and power amplifier output terminals of the mobile phone, computer sound card, front stage and other audio source equipment. When wiring, L, G, R are respectively connected to the left, ground, and right channels of the audio source equipment. If the input is a mobile phone, computer sound card, front stage and other audio sources, please turn the dial switches 1 and 3 to the ON "end. If the input is a power amplifier output terminal, Please turn dial switches 2 and 4 to the "ON" end, and the signal will be compressed