ขาย dual channel แผ่นบอร์ดขยายเสียงดิจิตอล tda 7498 พลังงานสูง ราคาที่ดีที่สุด
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รายละเอียดสินค้า
Description:
High software compatibility
Fashion design.easy to carry.
High performance. high reliability.
100% brand new and high quality
Wide range single power supply
With standby and mute features
Adopts differential input to minimize common-mode noise
Specifications:
Amplifier chip: TDA7498
Output power: 100W+100W (Vcc = 36 V, RL = 6Ω, THD: 10%)
Output power: 80W+80W (Vcc = 34 V, RL = 8Ω, THD: 10%)
Operating voltage: 15-34VDC(recommended 24V)
Applicable speaker impedance: 8 ohm best(4 ohm or 6 ohm also works)
Four fixed gain settings available: 25.6 dB, 31.6 dB, 35.1 dB and 37.6 dB
Protection: short-circuit protection, over temperature protection
High efficiency: 90%
3 Modes:
(you can set the mode by shorting the pins shown on pictures).
Standby mode: all circuits closed, at a low power state;
Mute mode: all input signals connects ground, the duty cycle of forward/backward PWM output signal is 50%;
Normal working mode: the amplifier works normally.
Package Included:
1 x TDA7498 Amplifier Board