This model of Stereo Power Amplifier operates at 85W per channel up to 4 Ohms.Superb imaging, very detailed, Fast, Accurate and above all it can accommodate Linn electronic crossover modules internally. If aktiv speakers is your game then this is your amp, it is the most inexpensive way to go. Double speaker connection allowing easy bi-wire speaker installation and it come with pre-amp input and outputs for easy bi-amping. The Linn amplifier is fully upgradeable, so users can update it when other components of their stereo systems are upgraded.The Linn amplifier is designed to conserve energy by going into sleep mode after 10 minutes of inactivity. This feature also preserves the circuitry, which can become damaged from frequently turning it on and off.