2 x 50W + 100W 2.1 채널 블루투스 오디오 앰프 -Apt-X, TWS, 서브우퍼
(2 x 50W + 100W 2.1 Channels Bluetooth Audio Amplifier Board
- TSA7492B(Apt-X))
개요
- 본 제품은 2 x 50W + 100W 2.1 채널 블루투스 오디오 앰프 -Apt-X입니다.
- Apt-X 를 지원하는 블루투스 모듈을 지원하고 TDA7492 및 TDA7498기반의 클래스 D 오디오 앰프입니다.
- 2개의 채널은 50W의 파워출력을 가지고 있고 나머지 한 채널(서브우퍼)을 100W의 출력을 가지고 있습니다.
- 모든 채널은 정격파워를 동시에 그리고 연속적으로 출력이 가능합니다.
- DC12V-26V로 동작하며, 4오옴 혹은 8오옴 패시브 스피커를 동작시킬수 있습니다.
- 모바일 폰과 페어링하여 사용이 가능합니다.
- Apt-X와 TWS를 지원하기 때문에 2개의 오디오 앰프 보드에 무선으로 오디오를 스트리링 할 수 있습니다.
- Aux in/Line in 오디오 입력을 자동으로 검출할수 있습니다.
특징
- Size: 14.4cm x 7.8cm x 3.4cm
- aptX, aptX Low Latency, SBC and AAC
- Bluetooth 4.2
- Bluetooth audio volume control port(BVC)
- Aux in/LIne in auto detect
- 2.1 channels
- Working voltage: DC12V-26V
- Over/under voltage protection
- Over current protection
- Over temperature protection
- TSA7492B can auto detect the Aux in/Line in Audio input. Bluetooth Audio source has higher priority. When Bluetooth audio is paused or bluetooth is disconnected. The amplifier will output the Aux in/Line in audio.
- There have an audio connnector can connect with an exteral DSP to set the subwoofer audio tones.
- BVC Port: BVC port can be connected with our Audio volume controller to control the Bluetooth audio volume
-
Specification:
Specifications typical @ +25℃, Powered by 25V DC, unless otherwise noted. Specifications subject to change without notice.
Parameter Condition Min Typ Max Supply Voltage (VDC)
- 12 25 26 Power output per channel RL= 8Ω, 10% THD+N 40W RL= 6Ω, 10% THD+N 50W RL= 8Ω, 1% THD+N 32W RL= 6Ω, 1% THD+N 40W 100W channel: RL= 6Ω, 10% THD+N 100W THD+N 1W 0.1% Frequency Response (dB) ±3dB 20 - 22K Operating Temperature (℃) - 0 20 50 Minimum Load Impedance
4Ω
6Ω
8Ω Gain 50W channel 21.6dB 27.6dB 33.6dB 100W channel 25.6dB 31.6dB 37.6dB Efficiency All channels output rating power.
90% Input Impedance (Kohm)
- 48 60 - -
Subwoofer tones set port:
Connect an external potentiometer control the subwoofer volume separately
Buttons control port:
There have 3 buttons on the board which can control the audio volume and play/pause ect... You can connect external buttons easily by using this buttons control port.
Pins define:(Check the board backside silkscreen):
P/P: Play pause button
VOL+: volume increase and forward button
VOL-: volume decrease and rewind button
1.8V
TSA7492B can auto detect the Aux in/Line in Audio input. Bluetooth Audio source has higher priority. When Bluetooth audio is paused or bluetooth is disconnected. The Amplifier will output the Aux in/Line in audio.
TSA7492B + TSA1000, Both Aux in and Bluetooth audio volume can be controlled through BVC port
2 boards work in TWS mode
*User must remove the slave board Aux in Enable jumper before pairing 2 boards
- S1 - Long press 3s into pairing mode. Long press 6s clear the pairing info.
- S1+S2 - Long press 1s into TWS slave mode.
- S1+S3 - Long press 1s into TWS master mode.
- S2+S3 - Long press 1s disconnect TWS connection.