The Linear Spatial Reference (LSR) studio monitors combine JBL's latest in transducer and system technology with recent breakthroughs in psychoacoustic research to provide a more perfect studio reference. Features: Differential Driver technology with dynamic braking for extended low frequency response and low power compression; titanium composite high frequency device with elliptical oblate spheroidal waveguide and damped pole piece; carbon fiber composite baffle for low cabinet resonance and stable inertial ground. LSR25P are biamplified two-way monitors with a 5.25 low frequency transducer and 1 high frequency titanium transducer. Amplifiers supply 100 watts to the woofer and 50 watts to the tweeter. Priced as each.