RCA input can use a BTL source or common ground source. RCA switch select balanced floating ground or grounded to minimize noise.
Each input has a peak limiter to prevent severe distortion and speaker damage. It allows light clipping.
Each channel has variable high pass crossover: 50 Hz to 4000 Hz, 12 dB Linkwitz-Riley
Each channel has variable low pass crossover: 50 Hz to 4000 Hz, 12 dB Linkwitz-Riley
Each channel has variable band pass crossover: 50 Hz to 4000 Hz, 12 dB Linkwitz-Riley
