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.

12 Inch 300W Home Audio Powered Active Subwoofer Speaker Professional super- bass Thick and stable wooden cabinet Independent bass adjustment Phase adjustment function

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

18 inch Professional Portable Speaker Outdoor Audio Sound With LED Light.Design by DSP technology. Audio Input： BT/USB/AUX,Guitar,SD,TF,MIC input Volume Control： Bass/Treble Special FeatureColorful party light,External 12V

All-in-one Column Rechargeable Audio Speaker System with 2 UHF Microphones BT/USB/AUX,Line out,SD,TF,MIC input*2

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

Design like professional line array speaker system,this is widely use in the small party indoor and outdoor .easy to move with 2pcs handheld micrphone.play at any time and place. Design and function based on customer reqest to adjust the sound and so on.

Powered Subwoofer 12 Inch 300Watt Class AB amplifier