3U,2 Channel 500W x2 2 kinds of Output Connectors 10 Pairs Toshiba transistors 5200/1943

1.Speaker: 10”Woofer x 1 + Midrange speaker 4”x2 + Tweeter Neodymium 3”x2 - Frequency: 40Hz-18KHz - Impedance: 4Ω - Sensitivity: 96dB - Output power: 300W RMS - Screen size: 360-degree rotating tempered glass screen, 15.4 inches in size, HD resolution (1280x720)/60Hz

Powerful 15 Inch Rechargeable Outdoor Speaker System for Events BT/USB/AUX,Line out,SD,TF,MIC input*2

15inch RGB light Trolley Speaker Built-in 12V4.5A lead-acid battery With 2pcs VHF wireless Microphone USB/TF/Bluetooth /FM/TWS/Microphone priority

High-performance 2-way passive system Plastic cabinet RMS Power 300W 12inch x 1 design 140 magnet 50 mm VC

Dual 12 inch 800W RMS Power

12 Inch 300W Home Audio Powered Active Subwoofer Speaker Independent bass adjustment Control board set independent bass adjustment function. You can adjust the bass intensity as you like. Autonomous crossover design 40-150Hz crossover knob design, the lower the crossover point is,the lower the output bass frequency band of the subwoofer allowing bass audiophile to match as they like. Phase adjustment function 0-180 degree phase adjustment, regardless of the forward and reverse signal input, or the placement of the subwoofer in different positions, it can be adjusted to a better output effect.

15“ 400W Suitable for home karaoke strong super bass