Marantz AV7705chat_bubble_outlineFrom real comments

Owners see a dramatic sound-quality jump when pairing the AV7705 with separate power amps. Commenters running the AV7705 with Emotiva XPA-11/XPA-7, Outlaw Audio, Crown, Rotel, and Parasound amps consistently describe going to separates as a major upgrade over an AV receiver's internal amplification, citing more headroom, control, and detail. Several came from Marantz or Denon receivers and reported the change as noticeable to dramatic, especially on ear-level and front speakers. Some also praised XLR balanced connections for reducing hum and buzz compared to RCA, though one commenter felt the difference was inaudible in their particular setup.

Some owners experienced unsettling reliability problems. A handful of users reported intermittent loud popping or cracking noises followed by complete loss of audio (while video kept working), requiring a full power cycle to restore sound. Others described a unit failing outright: dead front-panel LCD display and no audio output, though HDMI passthrough and on-screen menus still functioned, suggesting a power-board or relay fault. These reports, alongside mentions of negative professional scores from Audio Science Review, made some prospective buyers hesitant before purchasing.

Build quality impressed in teardown, but some interface and spec details drew criticism. A teardown reviewer praised Marantz for building the fuse board first and layering components around it, making blown fuses easy to check. However, the unit lacks a dedicated Bluetooth button, forcing users to rely on the remote to pair devices. One commenter also noted the sub trim only goes to -12dB, which can mask true calibration levels beyond that point, and another flagged inaccurate power-supply specs in Marantz's own advertising.