Audio Amplifier Driver Board
Model：VT91
Features
◎ Class D Audio stereo amplifier, including mute and power standby control
◎ High power CMOS technology
◎ Analog stereo input
◎ Max. output power 10W (8Ω) × 2 @ THD=10%
◎ High efficiency Class-D operation, low heat dissipation
This audio amplifier driver board features advanced Class D design for high efficiency and low heat, supporting stereo input and dual 10W output—ideal for embedded and industrial audio applications.
Input Connector
◎ CON1 for DC 12V power input
◎ CON2 for stereo audio signal input, mute control and power standby control
Output Connector
◎ CON3, CON4 support 1 set L/R 10W + 10W speakers
Electrical Specification
A. Power Supply
◎ Input: DC 12V
B. Environment
◎ Operational Temperature: 0°C ~ 50°C
◎ Storage Temperature: -20°C ~ 70°C
◎ Operation Humidity: 20% ~ 80%
◎ Storage Humidity: 10% ~ 90% (non-condensing)
C. Load
◎ Output: 10W + 10W load 8Ω THD+N 10%
Connector, Pin Assignment & Jumpers
◎ Pin define for connectors
Download
Add to inquiry
◎ Class D Audio stereo amplifier, including mute and power standby control
◎ High power CMOS technology
◎ Analog stereo input
◎ Max. output power 10W (8Ω) × 2 @ THD=10%
◎ High efficiency Class-D operation, low heat dissipation
This audio amplifier driver board features advanced Class D design for high efficiency and low heat, supporting stereo input and dual 10W output—ideal for embedded and industrial audio applications.
Input Connector
◎ CON1 for DC 12V power input
◎ CON2 for stereo audio signal input, mute control and power standby control
Output Connector
◎ CON3, CON4 support 1 set L/R 10W + 10W speakers
Electrical Specification
A. Power Supply
◎ Input: DC 12V
B. Environment
◎ Operational Temperature: 0°C ~ 50°C
◎ Storage Temperature: -20°C ~ 70°C
◎ Operation Humidity: 20% ~ 80%
◎ Storage Humidity: 10% ~ 90% (non-condensing)
C. Load
◎ Output: 10W + 10W load 8Ω THD+N 10%
Connector, Pin Assignment & Jumpers
◎ Pin define for connectors
Specification
Audio board option
| Mode | Teleview part no. | Description |
| 1 | CPCB-VT91A0-- | -- |
CON1. Power (12V) connector（4P 2mm）
| Pin | Symbol | Description |
| 1 | 12V | +12Vdc |
| 2 | GND | Ground |
| 3 | GND | Ground |
| 4 | 12V | +12Vdc |
CON2. input connector（5P 2mm）
| Pin | Symbol | Description |
| 1 | L_10W | Line in Left |
| 2 | R_10W | Line in Right |
| 3 | Mute_AMP | Control AMP Mute |
| 4 | STB_AMP | Control AMP Power |
| 5 | GND | Ground |
CON3. SPEAKER OUT RIGHT CHANNEL connector（2P 2mm）
| Pin | Symbol | Description |
| 1 | SP_L+ | Speaker out left + |
| 2 | SP_L- | Speaker out left - |
CON4. SPEAKER OUT LEFT CHANNEL connector（2P 2mm）
| Pin | Symbol | Description |
| 1 | SP_R+ | Speaker out right + |
| 2 | SP_R- | Speaker out right - |
Board Dimension
Board Dimension :50mm x 65 mm
Screw holes*4:3.5mm
Download