Denon AVR-2309CI 7.1-Channel Home Theater Receiver (Discontinued by Manufacturer) Review

Denon AVR-2309CI 7.1-Channel Home Theater Receiver (Discontinued by Manufacturer)

  • 100 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, and DTS Neo – 6 decoding
  • Audyssey Laboratories’ MultEQ six-point auto setup and room calibration system (microphone included)
  • XM Satellite Radio Ready (subscription service may be required)
  • SIRIUS satellite radio capable (subscription service may be required)

Product Description

A/V Surround Receiver featuring Dolby Tru HD, dts HD Master Audio and 1080p HD Video enhances your level of video and audio performances.

From the Manufacturer

From the Manufacturer

The Denon AVR-2309CI 7.1 Channel A/V Receiver: A Step Ahead

The Denon AVR-2309CI is a 7.1 channel A/V receiver released as part of the new 2008/09 lineup of Denon receivers. It is in the upper-middle of the lineup, and is the least expensive receiver in the lineup to feature 1080p upscaling and high-definition audio decoding. This price point is highly competitive and very popular among consumers



The AVR-2309CI is the ultimate sound experience
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because of the balance of features and pricing with other AV receiver models all featuring similar specification at a similar price. Like all models in this Denon AV lineup, it features Audyssey Dynamic Volume and Dynamic EQ audio processing, HDMI 1.3a inputs, and a new OSD.

The Next Generation in AV Receivers




Smooth, quality sound in every room
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The AVR2309CI supercedes the previous-generation AVR-2308CI. The AVR2309CI is a 7.1 AV receiver with video upscaling to 1080p of analog sources using a Faroudja DCDi chipset, decodes high-definition audio sources (Dolby TrueHD, dts HD-MA), and features 4 x HDMI 1.3a inputs with Deep Color support. A notable upgrade to the previous-generation is the addition of Audyssey’s Dynamic Volume processing along with the already present Dynamic EQ option. Dynamic Volume is found on all ten models; it’s a feature that levels the volume to a more-or-less constant level to avoid sudden changes in volume. This feature works together with the Dynamic EQ that dynamically adjusts the EQ settings to optimize the dynamic range.

Top Technology for a Reasonable Price

The Denon AVR2309CI is equipped with the latest high resolution surround sound format decoding capabilities, including Dolby TrueHD, Dolby Digital Plus, and DTS-HD Master Audio – the latest high resolution audio formats found on many Blu-ray high definition discs. The powerful seven channel amplifier section can be configured for 7.1 channel surround sound, as well as being able to drive a 5.1 channel system in the main room along with powered stereo speaker outputs for second zone audio. The video section features extensive video source switching and up-conversion capability, and is equipped with three latest specification v1.3a HDMI inputs and one HDMI output, with up to 1080p resolution. In addition, the AVR2309CI features Faroudja DCDi video processing and up-conversion, breathing new life into standard definition sources, along with three HD component video inputs and one HD component video output. Setup is a snap, thanks to the icon-based on screen display.

True Quality Audio Processing

The built-in Audyssey MultEQ acoustic correction technology and optimization system custom-tailors the sound for optimum tonal balance throughout the listening space. To eliminate irritating swings in volume between TV shows and commercials, the AVR2309CI is one of the first to offer Audyssey Dynamic Volume automatic volume-leveling system, as well as Audyssey Dynamic EQ to ensure rich bass and smooth tonal balance, even at low volume levels. With the Denon AVR2309CI you get loads of connectivity for system building, including HDTV-compatible component video switching. A front-panel audio/video input allows quick and easy connection of camcorders and game systems. Analogue video to HDMI scaling to 1080p, 1080p video pass through Multi-Zone 2 source/2 Zone capability.

Options to Expand

Expansion options abound, with media network connectivity (via optional ASD-3N/3W), along with iPod compatibility (via optional ASD-11R/3N/3W), and the AVR-2309 features Denon’s exclusive Compressed Audio Restorer that automatically improves the fidelity of your favorite portable audio tracks.


Technical Specifications

  • Power Output: 100 watts/channel
  • Dolby Pro Logic IIx – with Cinema, Music, Game Modes: Included
  • Dolby Digital Surround EX Decoding: Included
  • dts ES Discrete 6.1 Decoding: Included
  • dts ES Matrix 6.1 Decoding: Included
  • dts Neo:6 Stereo-to-Surround Cinema and Music Modes: Included
  • dts 96/24 5.1 for DVD-Video Processing: Included
  • Pure Direct/Direct/Stereo Modes on Digital/Analog inputs: Included
  • Wide Screen 7.1 Mode: Yes
  • Assignable Digital Inputs: 6
  • Digital Inputs: Coaxial: 3
  • Digital Inputs: Optical: 3 (including one in front)
  • Digital Outputs: Optical: 1
  • Analog Audio Inputs, Incl. Tuner: 10 (including XM)
  • Analog Record Outputs: 2
  • Composite Video Inputs: 5 (including one in front)
  • Composite Video Outputs: 2 (plus Mon)
  • S-Video Inputs: 5 (including one in front)
  • S-Video Outputs: 2 (plus Mon)
  • Weight: 28 lbs
  • Width:17.1 inches
  • Height: 6.75 inches
  • Depth: 16.55 inches



Choose a Denon A/V Receiver that is Right for You Home Theater System

Denon offers several models of A/V receiver systems, from the entry-level AVR-1609 to the advanced AVR-2809CI model. Each A/V receiver has different qualities so you can choose the one that is right for your home and the sound you want. Here’s a quick breakdown of the Denon A/V receiver systems.

  • The AVR-1609 features a powerful 7.1 channel amplifier section to drive a 7.1 multi-channel speaker system, along with the latest extended surround decoders, including Dolby Digital Surround EX, Dolby Pro Logic IIx and DTS ES. Equipped with the latest HDMI v1.3a digital video signal pass-through technology, the AVR-1609 provides 2 HDMI inputs and 1 HDMI output, allowing a single HDMI cable run to your HDTV display. The advanced Audyssey MultEQ in-room acoustic measurement and optimization system automatically analyzes the listening room’s acoustics at up to six different measurement locations, and develops an appropriate acoustic correction algorithm that provides smooth, natural tonal balance throughout the listening space.
  • The AVR-1709 features a powerful 7.1 channel amplifier section that can be easily configured for a 7.1 channel surround sound loudspeaker system, or to drive a 5.1 channel surround sound system in the main room, while at the same time able to drive a pair of stereo speakers in another room. Featuring tremendous video signal handling flexibility, the AVR-1709 features three latest specification v1.3a HDMI digital video inputs and one HDMI output that handles HD signals up to the highest 1080p resolution. As well, the AVR-1709 features on-board video up-conversion, along with three HD component video inputs for additional video signal handling flexibility. For optimum surround sound quality, the Audyssey MultEQ in-room acoustic measurement and optimization system measures the loudspeaker’s overall response (at up to six different measurement points) and tailors the audio signal for the smoothest, most natural-sounding tonal balance throughout the listening space.
  • The AVR-1909 is equipped with the latest high resolution surround sound format decoding capabilities, including Dolby TrueHD, Dolby Digital Plus, and DTS-HD Master Audio. The powerful seven channel amplifier section can be configured for 7.1 channel surround sound. The video section is equipped with three latest specification v1.3a HDMI inputs and one HDMI output, with up to 1080p resolution. In addition, the AVR-1909 features Faroudja DCDi video processing and up-conversion, breathing new life into standard definition sources. Setup is a snap, thanks to the icon-based on screen display. To eliminate irritating swings in volume between TV shows and commercials, the AVR-1909 is one of the first to offer Audyssey Dynamic Volume automatic volume-leveling system, as well as Audyssey Dynamic EQ to ensure rich bass and smooth tonal balance, even at low volume levels.
  • The AVR2309CI is a 7.1 A/V receiver with video upscaling to 1080p of analog sources using a Faroudja DCDi chipset, decodes high-definition audio sources (Dolby TrueHD, dts HD-MA), and features 4 x HDMI 1.3a inputs with Deep Color support. A notable upgrade to the previous-generation is the addition of Audyssey’s Dynamic Volume processing along with the already present Dynamic EQ option. Dynamic Volume is a feature that levels the volume to a more-or-less constant level to avoid sudden changes in volume. This feature works together with the Dynamic EQ that dynamically adjusts the EQ settings to optimize the dynamic range.
  • The AVR2809CI has been fortified with the latest A/V upgrades positioning itself to become one of the most popular audio video receivers in the industry, continuing on in its predecessor’s footsteps. The AVR-2809CI has HDMI v1.3a which brings with it the new surround formats for HD decoding allowing for ultimate surround performance for the best in home theater experience. Updated Audyssey audio processing has been added to provide improved auto calibration results for smooth sound reproduction. The well acclaimed Faroudja FLi2310 has been employed to allow for video scaling to 1080p resolution. Serial IR ports along with the RS-232C system control port provides ease of integration for complex home audio installations with 3rd party controllers.
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