The ProLinear 720 DSP Studio Monitors offers state-of-the-art sound at an affordable price. With its clear delivery and tight visceral bass, you'll enjoy superior sound. The user flexibility configures the speaker for almost any application - even graphical PC software. _Nominal input level - +4dBu _Maximum input level - +20dBu (7.0 Vrms) _Input impedance - 10K Output - _Sound Pressure Level (SPL) - ~110db at 1 meter at max input below clipping _Low Frequency (LF) power - 80 watts RMS, ~120 watts peak _High Frequency (HF) power - 40 watts RMS typical, ~120 watts peak _Frequency 50Hz-20KHz +/- 1.5dB _Bass level -3dB @ 43hz typical _Signal To Noise ratio - > 90 dB Size (HxWxD) - 15 x 9 x 12 (380mm x 230mm x 305mm) Weight - 25lbs (11.4kg)