The Alto Professional Trouper is a compact high-performance PA system that perfectly fulfills the unique demands of solo artists and small ensembles. Leveraging technology from our widely-acclaimed Truesonic and Black Series sound reinforcement systems, Trouper is the best-sounding and most full-featured small-venue PA system available. Trouper is a 2-way 200-watt bi-amplified system (130 watts LF/70 watts HF) with (3) 6 1/2 ” (165mm) woofers and a 1” (25mm) high-frequency compression driver, spanning the full musical frequency range from 65-20kHz. The system has thermal and dynamic overload protection, so the sound is always clean and clear no matter how hard you push it.FeaturesIntegrated 3-channel professional audio mixer with volume and 2-band EQ on each channel(2) XLR+1/4-inch combo inputs + stereo RCA and 1/8-inch inputs. Connect microphones, instruments, DJ mixers, controllers and moreBluetooth-equipped-wirelessly stream backing tracks or background music from any Bluetooth-compatible deviceBluetooth Link-Stream a stereo signal to separate speakers—no cables requiredBi-amplified design with (3) 6.5-inch low/mid woofers and a 1-inch high-frequency tweeterXLR link output for use with additional loudspeakers and subwoofersEasily transportable: Lightweight (just 23 lbs.) with built-in rear handleRubberized feet and 36mm pole socket for stand mountingSpecs System Type: 2-way Bi­-amplified Compact PA System for the Active PerformerHigh Frequency: 25 mm (1 inch) voice coil Neodymium compression driverLow Frequency: (3) 6 1/2 ” (165mm) woofers with 1" voice coilFrequency Range: 65 to 20kHzCrossover: 1.8 kHz, electronicPower Amplifier: Bi-­amplified, 200 watt peak (130 W LF + 70 W HF)Maximum SPL: 117 dB-SPL @ 1 m (continuous), 120 dB-SPL @ 1M (peak)Electronic Protection: Thermal/overloadProtection Indication: Signal/Limit Red LEDInputs: 3 channels: Line/Mic 1, Line/Mic 2, AuxInput Connectors: (2) 1/4 ” XLR female combo connectors, (1) stereo RCA, (1) 1/8” stereoOutput Connectors: (1) XLR male mix outputEqualization: 2-band LF and HFBluetooth: A2DP streaming audio, with full stereo link when using two TroupersPower Controls: On/off power switch, IEC line cord AC input, Power indicator LEDEnclosure Type: Trapeziodal MDF enclosure with black vinyl wrap and protective steel cornersHandle: Rear mounted, ergonomically designedStand Mount Socket: (1) female 36mm pole socketDimensions: 8.4 x 29.2 x 10.1 in/21.3 x 74.17 x 25.65 cmWeight: 23 lbs/10.43 kg.