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Battery PoweredOne column TOP + one SUB400W Class D amplifierBuilt-in mixerMEDIA PLAYER with BLUETOOTH interface8000mAh Li-Ion rechargeable batteryUp to 8-hour continuous use.3-channel built-in mixer with MIC/LINE inputs and digital EFFECTUSB/SD MEDIA PLAYER with BLUETOOTH audio interface with STEREO LINK functionSUB LEVEL controlSophisticated pre-amp section with active filtering and dual CLIP LIMITERS2-channel 400W Class D power amplifierOne high-excursion 8” woofer, for extended and dynamic basses.Fast-linking system to the column with integrated power connections400W total peak power.Up to 8-hour continuous use.108dB max SPL50 Hz – 18 KHz frequency responsePadded bag for the 3-pcs column included