DSPPA mini network music system offers end users an excellent mini smart music solution at an affordable price. The mini on wall music amplifier can be installed in wall with an elegant outlook, such as DM835, DM836II, DM837 and DM838, DM839. Such on wall music amplifiers support multiple audio inputs as USB, Tuner/network radio, AUX, Bluetooth and even Wi-Fi playing. It is an excellent and economic music solution for small rooms in house, office, retail stores, etc.