[. . . ] · Hand-matched, complementary MOSFETS for better performance and sound quality. [. . . ] · Input sensitivity (100 mV to 8 V RMS) adjustable in 10 dB steps. · Balanced line input ports ­ designed to accept our (optional) BLM 1 module. · Amp may be run in "Mixed Mono" mode using passive crossovers. · 4 year parts and labor warranty when installed by an authorized Xtant dealer. 3 o v. 2. 00 [. . . ] · Amp may be run in "Mixed Mono" mode using passive crossovers. [. . . ]