TOA's 900 Series features the most flexible choice of modular inputs (35) available to the system designer. The A-901A 3 channel Mixer/Amp (10W) accepts 2 input modules and has a third standard line input. The A-906 (30W) and A-912 (60W) Six Channel Amps offer 8 input slots and two levels of paging priority. The P900 Series Amplifiers (60W, 120W & 240W) also accept the vast array of input modules and feature switchable hi pass filters and full protection circuitry and 25V/70V output. The most popular modules are the M-01F (Female XLR Mic input), the M-03P ( 1/4" Hi-Z Mic input) and the U-03R (Stereo RCA line input).