The wide ranges of features associated with the Integra DTR-5.9 A/V Receiver are:
Bi-directional RS-232 and Ethernet ports for third party control systems
Three programmable 12-volt triggers
Dual IR inputs, and three unique assignable IR code sets
High power output with low noise
Smooth response from 5 Hz to 100 kHz
High-quality terrestrial radio tuner with total use of 40 radio presets
The Integra DTR-5.9 A/V Receivers are therefore, one of the best receivers that will let you reconfigure the amplifier channels for bi-amplification of the front left and right audio channels when used with compatible high-end speakers.