Details Anti-slip Feet: Its bottom has four anti-slip feet, which can prevent the amplifier from slipping and avoid scratching the ground. Remote Controller: The package is equipped with a remote control (about 19.7ft available), allowing you to fully control the amplifier without having to approach it. Knob Design: Compared to button adjustment, a single knob can increase and decrease the volume, making it convenient to operate. Application It is suitable for various scenarios such as home theater, karaoke parties, garage entertainment, bar, and personal music appreciation. Specification Material: Aluminum Alloy Color: Black Input Type: SDUSBRCAAUX5.0 Bluetooth Output Type: Speakers Control Methods: HandRemote Distortion Rate: 0.5% (Under Rated Power) Surround Sound Channel: 5.0-channel Adapter Plug: European Plug Voltage: 220V Max. Power: 600W Rated Power: 200+200W Impedance: 4Ω-16Ω RMS: 45W+45W Resolution: 38DB SNR: 78dB Number of Microphone Jacks: 2 Bluetooth Connection Available Range: ≤10m/32.8ft Remote Controller Available Range: About 6m/19.7ft Remote Controller Size: 11.8*4*1.5cm/4.7*1.6*0.6in Power Cord Length: 1.2m/3.9ft Product Size: 42.7*28*6.6cm/16.8*11*2.6in Package Size: 49*33.8*13.5cm/19.3*13.3*5.3in Net Weight: 3.4kg/7.5lbs Gross Weight: 4.35kg/9.6lbs Package Included 1* Audio Amplifier 1* Radio Antenna 1* Remote Controller 1* English & Chinese Manual