【characteristic】
1. Control of Bluetooth connection and DSP settings
2. Android smartphone adjustment settings
3. 3-way active crossover
4. 4-channel output (0 - 230 cm) time alignment (cm), configurable front speakers,
7-segment parametric equalizer with rear speakers and 4 speakers
5. 5 memories can be saved in the amplifier, and unlimited sound settings are saved in the phone's memory.
6. 5-channel control, easy to set gain, mute and change the phase of each channel
7. Bass settings
 

[How to install and connect APP]
1. Download the DSP app on Google Play by searching for "HSA-DSP.31"
2. Install the app to your Android smartphone; search for "HSADSP31"
3. Turn on Bluetooth on your phone, then search for “HSADSP31” and pair it. (Control code: 1234)
4. Open HSA-DSP.31 and click on “Connect”, then you will connect to the DSP, you can go through the APP
Set your own voice
5. After completing the sound settings, click "Exit" to exit the app.