Denon 735 Watt 7.1 AVR w/ 5 x HDMI, Phono AVR-2310CI
$325.00
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Denon 735 Watt 7.1 AVR with 5 x HDMI, Phono, Dual Room, Bi-Amping
Brains and brawn deliver enhanced home theater realism
Fill your home with rich, enveloping surround sound. Denon’s versatile AVR-2310CI teams high-current power for seven speakers with sophisticated digital processing to deliver a riveting home theater experience. You get decoding for the superior high-resolution surround sound formats available with many newer Blu-ray players and discs.
Denon also included the very latest Dolby technology — Dolby® Pro Logic® IIz. This cool new processing lets you add an optional pair of front “height” speakers to create a larger soundstage with an expanded vertical dimension — an exciting sonic enhancement for movies and video games.
Versatile video connections and maximum picture quality
The ‘2310CI provides 1080p HDMI switching for your five best high-def video components. Analog-to-HDMI conversion lets you send all your video sources to an HDMI-capable TV using a single digital cable, simplifying hookup and maximizing picture quality for each source. The receiver’s high-performance Anchor Bay VRS™ video processor delivers superior video scaling and deinterlacing — it can upconvert all your video sources to resolutions as high as 1080p. You’ll see improved detail and cleaner images from all your video components.
Flexible entertainment options
Dual-room/dual-source audio capability lets you enjoy home theater in your main room while a housemate enjoys stereo music in a second room. You can integrate your iPod® by adding one of Denon’s control docks, and tune in to SIRIUS Satellite radio with the addition of an optional SiriusConnect™ home tuner kit. And if you’ve recently discovered — or would like to rediscover — the sonic bliss of vinyl records, the AVR-2310CI includes a phono input.
Product highlights:
105 watts x 7 into 8 ohms (20-20,000 Hz) at 0.08% THD
Dolby® TrueHD, DTS-HD™ Master Audio, Dolby® Digital Plus, DTS-HD™ High Resolution Audio, Dolby® Digital EX, DTS-ES™, Pro Logic® IIx, Pro Logic® IIz and DTS Neo:6 decoding
Compressed Audio Restorer for better sound with compressed music sources
Audyssey Dynamic Volume mode to keep listening levels steady
Audyssey Dynamic EQ™ for fuller sound at lower listening levels
dual-room/dual-source audio (powered and line-level stereo audio output for 2nd room; using powered 2nd-room output allows 5.1 home theater in main room)
Pure Direct modes switch off all unused circuitry for the cleanest possible sound
on-screen GUI (Graphical User Interface) superimposed on HDMI output (up to 1080p)
multibrand A/V remote
Connections:
1080p-compatible HDMI switching: 5 in, 1 out
analog-to-HDMI video upconversion (up to 1080p/24/60 output via HDMI) with Anchor Bay Technologies VRS advanced video processing and scaling
HDMI version 1.3a with support for Deep Color, x.v.Color, lip-sync, 1080/24p video, 7.1 uncompressed 24/96 audio, DVD-Audio, and HDMI-CEC with compatible video sources and TVs
HDMI-to-HDMI video conversion with scaling up to 1080p resolution
component video switching: 2 in, 1 out
component video conversion (composite to S-video, or composite and S-video to component)
digital audio inputs: 3 optical (including 1 front-panel), 2 coaxial
digital audio outputs: 1 optical
3 audio/video inputs, including:
1 front-panel input with composite and S-video
2 rear-panel inputs with composite and S-video
2 audio-only inputs (including phono)
7.1-channel analog audio preamp input
RS-232C port for automated control systems
detachable power cord
2 switched AC outlets
2 sets of main speaker outputs
back surround speaker channels re-assignable for bi-amping front left and right speakers
17-1/8″W x 6-3/4″H x 16-1/8″D, weight: 24 lbs.
Includes Denon Remote, Denon Calibration Mic, Printed manual, and soft copy of manual in PDF.
Asking just $325 for this versatile, good quality Denon AVR, perfect for both home theater and music applications.
| Weight | 24 lbs |
|---|---|
| Dimensions | 22 × 11 × 21 in |
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Denon traces its roots to a Japanese record and gramophone company founded in 1910, and its name comes from denki onkyo, "electric sound". For decades it built broadcast equipment for Japan's NHK, and its DL-103 cartridge was developed with NHK. Since 2002 it has shared a parent company with Marantz. We carry Denon AV receivers, stereo receivers, integrated amplifiers and CD players. We've had more than 160 Denon listings so far. Every used Denon here is inspected, tested and serviced as required, then photographed in-house and covered by our Bumper-to-Bumper Warranty and Perpetual Trade-Back Program. Every AV receiver we list is tested input by input on our bench: each HDMI input and output, the analog, optical and coaxial inputs, the subwoofer outputs and the wireless features where it has them. Looking for new Denon? We also quote new Denon direct from the Canadian distributor, with free shipping within Canada: request a quote below. Don't see the model you want? Tell us on First Dibs and we'll email you when one arrives.
The Denon story
Denon says it first came into existence in 1910 as part of Nippon Chikuonki Shokai, the Japan Recorders Corporation, a record and gramophone company. Its direct predecessor, Japan Electric Sound Company, dates from 1939, and became Japan Denki Onkyo in 1944. The company joined Nippon Columbia in the 1940s.
Broadcast roots. From 1939 Denon supplied NHK, Japan's public broadcaster, with disc recorders and other broadcast equipment. The DL-103 moving-coil cartridge was developed with NHK in the 1960s and sold to the public from 1970.
Hi-fi. The DP-5000 of 1970 was Denon's first consumer record player, and the PMA-500 of 1972 its first integrated amplifier. Denon calls its DN-023R of 1972 the world's first practical PCM digital recorder. Its first consumer CD player, the DCD-2000, came in the early 1980s, and its first AV amplifier, the AVC-500, in 1985.
D&M and today. Denon was spun off from Nippon Columbia in 2001 and combined with Marantz in D&M Holdings in 2002. Sound United bought the group in 2017, Masimo bought Sound United in 2022, and in September 2025 HARMAN, a Samsung company, completed its purchase of Sound United.
Which Denon is which?
DRA stereo receivers: such as the DRA-625R of the late 1980s and the DRA-835R, up to the DRA-800H of 2019 with HDMI inputs.
AV receivers: the AVC line from 1985, AVR-numbered models such as the AVR-1800 and AVR-3808CI, and the AVR-X range from 2013.
PMA integrated amplifiers: from the PMA-500 of 1972 to current models such as the PMA-600NE.
DCD CD players: from the DCD-2000 and DCD-1800 onward, and DCM changers.
DP turntables: direct-drive models such as the DP-3000 (1972) and DP-7000 (1976), and 1980s automatic models such as the DP-47F.
DL-103 cartridge: a low-output moving-coil design, still made by hand at Denon's Shirakawa factory, Denon says.
Buying used Denon: what to check
HDMI boards. On modern AV receivers, HDMI is usually the first thing to fail; owners report failed HDMI boards on models such as the AVR-3808CI. Test every HDMI input and output, with the on-screen menus. We do that on every one we list.
2020 HDMI 2.1 models. Some 2020 receivers, such as the AVR-X2700H, could show a black screen with 4K/120Hz sources; a free external adapter was offered, and later units have the fixed chip. Ask whether the adapter comes with the receiver.
Output stages. Play any amplifier or receiver at a realistic level on both channels; owners report protection-mode faults after abuse.
CD players and turntables. Check tray belts and play several discs, including a CD-R. On an automatic turntable, play a full side, including auto return.
DL-103. It needs a moving-coil phono stage or step-up, and its low compliance suits medium- or high-mass tonearms.
Everything we list is inspected, tested and serviced as required here, and comes with our warranty.
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