Feature/Function
Onkyo
TX-NR905
TX-NR905
Denon
AVR-4308CI
AVR-4308CI
Amplifier/Audio
Channels
7
7
Power (each of 7 channels)
140W/Ch
140W/Ch
Channels driven for Power rating
2
2
THD – all channels
0.5
0.5
THX Certified
Ultra2
No
Frequency Response
5Hz-100kHz
20Hz – 20kHz
S/N Ratio
106 db
102 db
Bi-Amp capability for front
Yes
Yes
Auto Calibration
Audyssey MultiEQ XT
Audyssey MultiEQ XT
Auto Calibration seating positions
8
8
Microphone included
Yes
Yes
Speaker Impendence
4-8 ohms
4-8 ohms
Processing
Dolby Decoder
DD PLus, TrueHD
DD PLus, TrueHD
DTS Decoder
DTS-HD Master Audio
DTS-HD Master Audio
Neural Surround
THX
Yes
DACs
192K/24 bit
192K/24 bit
DACs mfg
Burr Brown
Burr Brown
DACs part number
PCM1796A
PCM1791A
DACs Signal to Noise Ratio
123 db
113 db
Cross-over
40-200Hz
40-250Hz
Crossover – Independent adjustment
F/C/S/SB
Yes
AV Sync
Yes
Yes
Multi-Band Speaker EQ
7 Band
9 Band
Compressed audio restoration
No
Yes
Volume level trim for each input
Yes
Yes
Network audio support
MP3, WMA, WAV, M4A (Mpeg4 audio)
MP3, WMA, WAV, M4A (Mpeg4 audio). FLAC
Network Image support
No
Jpeg
Connections
Audio in
9
9
Audio out
2
2
Phono input
Yes
Yes
Digital Audio In – Optical
3
4
Digital Audio In – Coax
3
3
Digital Audio Out – Optical
1
2
Digital Audio Out – Coax
0
0
S-Video In
6
7
S-Video Out
1
3
Component Video In
3
3
Component Video Out
2
3
Component Bandwidth
100 MHz
100 MHz
Hdmi in
4
4
Hdmi out
2
2
Hdmi version
1.3a
1.3a
Total Selectable Video
6
7
Multi-Channel input
8ch
8ch
Pre-amp outputs
8ch
8ch
USB
Yes
Yes
Video
Hdmi Deep Color
Yes
Yes
Component Video Upconversion
Yes
Yes
Analog to HDMI Upconversion
Yes
Yes
1080p Upscalling
Yes
Yes
Video Processor
HQV Reon-VX
Faroudja DCDi
Video Processor part number
VX-50
FLI8638
Supports HD IVTC
Yes
No
Multizone Support
Zones
3
4
Powered Zone 2 option
Yes
Yes
Powered Zone 3 option
No
Yes
Zone 2 Video out
Composite
Composite & Compontent
Integration Features
RS-232
Yes
Yes
IR input
Yes
Yes
Ethernet
Yes
Yes
Wireless
No
Yes
HDMI -CEC
Yes
No
12 v Triggers
Yes
2
iPod ready
Yes
Yes
XM Radio
Ready
Ready
SIRIUS Radio
Ready
No
HD Radio
Yes
Yes
DNLA certified
Yes
Yes
Access
Learning Remote
Yes
Yes
Basic Remote
No
Yes
Remote Back-lit
Yes
Yes
Direct Input selection – Remote
Yes
Yes
Direct Input selection – Receiver
Yes
No
Two-Way Remote
No
Yes
Discrete Remote On/Off
Yes
Yes
Macro control
3 on remote
3 on receiver & remote
Extensive discrete remote codes
Unknown
Yes
Display
2 line x 14 char
2 line x 16 char
OSD style
Full-color, 480p
Full-color
OSD Sample
See Post #1, Picture 022.jpg
See Post #496
OSD functions over HDMI
Yes
Yes
User applied firmware update
Yes
Yes
Odds and Ends
Warranty
2 years
2 years
Weight
54 Lbs
40.8 lbs
Switched 120VAC outlet
Yes, 1-120W
Yes, 2-120W total
Detachable Power Cord
Yes
Yes
List Price
$2099
$2499
Dimensions WHD
17 1/8″x 7 5/8″ x 18 1/16″
17.1″ x 7.7″ x 16.9″
Colors available
Black or Silver
Black
Heat Produced
Medium-hot
Medium?
Websites and Links
Company home page USA
www.Onkyo.com
www.usa.denon.com
Company home page Japan
www.jp.onkyo.com
www.denon.jp
Product page USA
Product Link
Product Link
Product page/info Japan
News release
Other
ListenUp
Manual PDF
Onkyo 905 manual
4308 Manual PDF
Primary AVS link
Official 905 thread
Official 4308 thread