The ultra-portable Mackie SRM-Flex Portable Column PA System features 1300W of power and a custom wide-dispersion array ensuring plenty of headroom for crystal-clear, room-filling sound. The built-in 6-channel digital mixer offers full control flexibility via physical knobs or wirelessly on your phone via the SRM-Flex Connect™ app on iOS and Android®. You can even stream music or backing tracks via any Bluetooth® enabled device. Features Ultra-Portable Legendary SRM Series Sound Fill The Room 6-Channel Digital Mixer Control, Your Way Application Specific Voicing Modes Specifications Acoustic Performance Freq Range (-10db): 40Hz - 20 kHz Freq Range (-3 dB): 50 Hz - 20 kHz Horizontal Coverage Vertical Coverage Maximum SPL Peak 118 dB Transducers Low Freq: 10in/254mm with ferrite High Freq: 6x 2.0 in/51 mm silk dome tweeters Power Amplifiers System Power Amp Rated Power: 1300 watts peak Low Freq Power Amp Rated Power: 1000 watts peak Rated THD: <1% Cooling: Active Design: Class D High Freq Power Amp Rated Power: 300 watts peak Rated THD: <1% Cooling: Active Design: Class D System Processing Voicing/Reverb: 3 Speaker modes Off, 1 (short), 2 (med), 3 (long) Equalisation Low +5/-5dB @ 90Hz High +5/-5dB @ 6.0kHz Input/Output  Input Type 2x Female XLR Balanced 4x 1/4'' Balanced/Unbalanced 1/4'' Stereo Mic-Line Impedance 8kohms balanced 1/4'' Hi-Z Impedance 1 Mohms unbalanced Mix Out Male XLR Balanced Mix Out Impedance 600ohms balanced Bluetooth Information Bluetooth Protocol: 4.2 Bluetooth Function: Audio Streaming and User Interface Control Bluetooth Class: Class 1 Crossover Point Crossover Freq: 600Hz (1dB Butterworth) Line Input Power Detachable line cord ~100 - 240VAC, 50 - 60 Hz, 110W AC Connector 3-Pin IEC 250VAC, 10 A male Power Supply Type: Switchmode Safety Features Input Protection Peak and RMS limiting, power supply and amplifier thermal protection Status Info Input and output levels, reverb levels, sig/OL, EQ settings, speaker mode