[Product Information]

POWER AMPLIFIER: This 50W + 50W dual-channel(left channel and right channel) digital HiFi stereo power amplifier will be powered by DC 8-25V. It uses TPA3116D2 POWER AMPLIER CHIP as core
POWER SUPPLY: 1. the power supply should be with small power ripple and the POWER VOLTAGE can be 12-24V. (If in low voltage， the output power will be also also in low display， finally the speaker will be in low voice.) 2. It has 90% high efficiency and lower internal resistance because we used of import seal potentiometer and high speed capacitor array. It can use power switch， storage battery， Vehicle power， laptop POWER and so on.(the laptop power supply with plug for 5.5*2.5 mm)
Shape Features: 1. Has small size， delicate aluminum case; 2. 4 small plastic pads attached under the case to avoid sliding; 3. One ON / OFF tiny switch; 4.Three tiny knobs built in front of the amplifier: Trebles / Bass / Volume adjustment
MAIN COMPONENTS: Germany VIMA MKP10 as input capacitor makes harmonic richer; the top red loop inductor makes its voice purer; Aluminum alloy body is easy to heat-sink; Gilding RAC and crystal terminal makes it looks extravagant.
The HIFI speaker can be connected with mobile phone and computer， but the quality of voice will be based on the signal source or the signal wire. Note: This product need a power supply with barrel jack connector (outside diameter: 5.5mm; inner diameter: 2.5mm) and the power supply does not include in the package. So you can use your laptop's POWER SUPPLY