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QSC HPR151i 15-In Powered SubwooferThe new HPR Series offers performers the power, technology and legendary reliability of QSC amplification combined with the simplicity and convenience of powered loudspeaker systems. Whether your application is vocal reinforcement, dance music or full-tilt rock and roll sound, there's an HPR speaker configuration for you. For high-level dance music or reinforcement of bass instruments and kick drum, an HPR series subwoofer will add low-frequency extension and power to any sound system. When the requirement is for compact size and tight, punchy low-end, the single 15" HPR151W subwoofer is the answer. The 700 watt power module is capable of producing 133 dB peak SPL with frequency response down to 43 Hz and sound quality that rivals many 18" subwoofers. A top-mounted 35mm pole socket is provided for use in sub/satellite systems.Specifications:Configuration: 15" subwoofer, 15" cone transducer with 3" voice coilFrequency Response (-6 dB): 47 Hz - 110 HzFrequency Range (-10 dB): 43 Hz - 140 HzNominal coverage, -6 dB N/AMaximum SPL (1 meter): 133 dB peakPower output: 700W Class HInput impedance: 22k balanced, 11k unbalancedControls: Gain, Front LED On/Off, Power, Circuit breakerIndicators: Power, Signal, LimitCooling: ConvectionAmplifier protection: Thermal and output power limitingCurrent consumption at 120 VAC (1/8 power EIA noise): 2.2AEnclosure: Painted Birch plywoodFinish: Black textured paintGrille: Powder coated 16 gauge steelConnectors: Balanced female XLR line level inputs x 2 (L+R), Balanced male XLR full range line level throughputs x 2 (L+R), Male XLR low-cut line level outputs x 2 (L+R)Size: 25" H x 22" W x 20.75" DWeight: 98 lbs.Why choose powered loudspeakers?:The powered speaker has become a staple for mobile DJs, musicians and AV professionals alike. The simplicity and scalability of these systems is the big draw. After all, what could be easier than just connecting the output of your DJ or live sound mixer directly to the speaker and turning everything on? For those who have been reluctant to join the powered speaker party because you felt that powered speaker amplification fell short of rack-mount amp quality, you are officially out of excuses.Why choose QSC's HPR Series?:There's a QSC amplifier inside each HPR! Now you can get the legendary performance and reliability of QSC's rack mount amplifiers built into a powered loudspeaker. The power module is designed with the same top-quality components and rigorous standards you expect from any QSC amplifier. QSC is regarded as one of the leading amplifier manufacturers in the world. We have over 35 years experience making professional-grade amplifiers. When you buy an HPR Series powered loudspeaker, you know it is backed by the QSC quality and reliability you've come to expect.Many powered speaker amplifier modules use low-cost, consumer-grade "chip amps" to decrease costs and simplify design. The HPR Series features a professional, discrete component design, hardened to withstand abuse and engineered to deliver the best possible performance even when pushed to the limit.