音频放大功能；
三段均衡，高低音调节；
蓝牙音频接收，有线输入，两者可同时混合输入，音量大小独立调节。
外置蓝牙天线，接收距离远，开阔地带可达几十米。
输入输出接口:3.5mm，RCA莲花插座，可任意组合使用
频率响应:20HZ-20KHZ
放大增益:12db
均衡调节范围:高音±15db @10kHz，中音±15dB @2.5kHz，低音±15db @100Hz
输入阻抗:50KΩ
输出阻抗:600Ω
工作电压:DC5V
功耗:0.45W
蓝牙名称:BT-GDY
蓝牙版本:5.4
Product Features
●Audio amplification function
●3-band equalizer with treble and bass adjustment
●Bluetooth audio reception and wired input, both can be mixed simultaneously with independent volume control
●External Bluetooth antenna for long reception distance, up to several dozen meters in open areas
Interfaces
●Input: 3.5mm jack, RCA connector
●Output: 3.5mm jack, RCA connector
●Specifications
●Frequency response: 20HZ–20KHz
●Amplification gain: 12dB
●Equalization adjustment range:
●High Shelving ±15db @ 10KHZ
●Mid Peaking ±12dB @ 2.5KHZ
●Low Shelving ±15db @ 100HZ
●Input impedance: 50 kΩ
●Output impedance: 600 Ω
●Operating voltage: DC5 V
●Power consumption: 0.45W
●Bluetooth Name:BT-GDY
●Bluetooth Version:5.4
