Head to head
Marantz CINEMA 50 Series 2 vs Denon AVR-X3900H
Two receivers on the same nine-channel, 11.4-processing platform: the Marantz with a new DAC and HDAM preamp stage against the Denon that costs considerably less. The deciding factor is how much two-channel music matters.
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These two share a platform: nine amplified channels, 11.4 processing, full pre-outs, four independent sub outputs, six 8K and 4K120 HDMI inputs, three outputs, and Audyssey XT32 with Dirac Live as a paid option. What the Marantz adds is the analog and DAC stage, and what it costs is roughly the Denon plus a good stereo amp. The one question that decides it: is this a theater that also serves as the household's serious music system?
| Spec | Marantz CINEMA 50 Series 2 7.1.4 theaters with multiple subs that also value two-channel music View at Audio Advice | |
|---|---|---|
| Best for | 7.1.4 theaters with multiple subs that also value two-channel music | 7.1.2 to 7.1.4 Atmos rooms |
| Price tier | Flagship tier | Premium |
| Amplified channels | 9 | 9 |
| Processing channels | 11.4 | 11.4 |
| Rated power (8 ohm, 2 ch) | 110 W | 105 W |
| HDMI 2.1 (4K120) inputs / outputs | 6 of 6, 3 outputs | 6 of 6, 3 outputs |
| Room correction | Audyssey MultEQ XT32, Dirac Live optional | Audyssey MultEQ XT32, Dirac Live optional |
| Pre-outs | 11.4 pre-outs, 4 independent sub outs | 11.4 pre-outs, 4 independent sub outs |
| DAC and preamp | 32-bit 8-channel Cirrus Logic DAC, current-loop HDAM preamp | Not published |
| Independent measurements | None yet for Series 2 | Audioholics bench pending at time of writing |
Pick the Marantz CINEMA 50 Series 2 if
- Music is at least half of what the system plays and you sit down to listen in stereo.
- You want the quieter, more refined presentation Sound & Vision praised on the original CINEMA 50.
- The budget already covers the Denon plus an outboard amp, and you would rather have it in one box.
Pick the Denon AVR-X3900H if
- The system is movie-first and the money is better spent on speakers or a second sub.
- You want the same channel count, HDMI board, and sub outputs for considerably less.
- You want a model that has been on sale long enough to have bench numbers on the way.
Verdict
Buy the Denon AVR-X3900H for a theater; it does everything the Marantz does for Atmos, with the same pre-outs, sub outputs, and HDMI board. Buy the Marantz CINEMA 50 Series 2 when the same rack also carries the household's stereo listening, because the new DAC stage and HDAM preamp are where the money goes. The exception is a room where Dirac Live is planned from day one, since both charge for the license and the price gap then buys a lot of speaker.
Common questions
- Do they share the same HDMI board?
- Both have six 8K and 4K120 inputs and three outputs, and both are built on the same nine-channel, 11.4-processing layout.
- What is new in the Series 2?
- The August 2026 refresh adds a new 32-bit eight-channel Cirrus Logic DAC stage alongside the current-loop HDAM preamp. The channel layout and pre-outs are unchanged.
- Is Dirac Live included on the Marantz?
- No. Like the Denon, it ships with Audyssey MultEQ XT32 and Dirac Live is a paid license.