Harman/kardon AVR 645

Full range of connectivity options, great remote control, excellent audio and video features

On-screen interface can be tricky to navigate

Finding any faults with this unit is nearly impossible. If you can afford it, it comes very highly recommended.

Full range of connectivity options, great remote control, excellent audio and video features

On-screen interface can be tricky to navigate

Finding any faults with this unit is nearly impossible. If you can afford it, it comes very highly recommended.

EZSet equalisation results in excellent sound. Plenty of power in reserve. HDMI upconverting.

Plasticky controls. Terrible manual. No HD video upscaling. Not as intuitive as rivals.

Get the settings right, and the Harman Kardon AVR 645 rewards you with a rich home theatre experience.

HK's AVR 645 combines the best of old school, high-current sound from Harman/Kardon and burgeoning next-gen connectivity. In addition to seven channels of amplification and the expected Dolby and DTS surround decoding, the AVR 645 features HDMI...

great looks, beautifull sound, underrated power, heavy built, usb connection (great for music from the computer)

plastic volume knob and little door, video switching to hd signals is not smooth, but after it switches looks very good

Good video and audio, when it is not crashed

Crashes every 2 to 3 hours of viewing, loses all signals, have to re-setup the receiver after doing a cold boot (what is this, a Microsoft machine?)

Sound is great

Even though the composite inputs can now be viewed on the component monitor output, still, there is no way to see the volume/mute, etc. when viewing a component HD source. This is frustrating, because my components are in another room, so no way to...