CD Receiver

R-K731-S

Discontinued

CD Receiver

CD DA / CD-R/RW
USB-A Terminal (USB Host)
MP3
WMA

Key Features

Key FeaturesFull digital high power amplifier, 50W + 50W
High-quality sound reproduction of iPod/iPhone music
USB Host (MP3/WMA/AAC Playback)
Rigid full metal body, solid stylish construction.
PC connection (USB B)for audio streaming

General Features

General FeaturesRemote Control43-key Standard Remote
Tone ControlYes, Bass, Mid & Treble

Tuner Features

Tuner FeaturesTuner (AM/FM)Yes
Radio Data SystemYes
Program Type (PTY)Yes
Number of Presets (DAB)40

Storage Features

Storage FeaturesUSB-A Terminal (USB Host)Yes
USB Decoding FormatMP3/WMA/AAC

HE_ iPod_Dock_Feat

HE_ iPod_Dock_FeatiPod/iPhone ConnectioniPod digital connection through USB with charge function
Supported iPod/iPhone models(as of October 2011)
iPod Classic, iPod nano (2nd -6th gen.), iPod touch (1st - 4th gen.), iPhone, iPhone 3G, iPhone 3GS, iPhone 4, iPhone 4S
iPod/iPhone Control Functions
Play/Pause, Skip for-/backwards, Fast for-/backwards, Album next/back, Repeat function, Random access.

Playable Media

Playable MediaMP3Yes
ID3 TagYes
WAVYes
AACYes

CD Features

CD FeaturesCD DA / CD-R/RWYes
MP3Yes
WMAYes
AACYes
CD TextYes
Tag informationYes
Program PlaybackYes
Repeat PlaybackTrack, Program, All
Random PlaybackYes

Digital Inputs/Outputs

Digital Inputs/OutputsUSB-A Terminal (USB Host)Yes
Optical Audio Input/Output2 / -

Analogue Inputs/Outputs

Analogue Inputs/OutputsRCA Audio/Video Inputs1 Audio
RCA Audio/Video Outputs1 Audio (Recording Output)
Subwoofer OutputYes
Screw-type Speaker TerminalsYes
Headphone Jack (3.5 mm)Yes
75 Ohm FM Antenna ConnectorYes
AM Antenna ConnectorYes

Amplifier Features

Amplifier FeaturesMaximum Stereo Output Power2 x 50 Watt
Digital AmplifierYes
Digital Pre AmplifierYes

Audio Specifications

Audio SpecificationsRated Output Power2 x 50 Watt (1kHz, THD 10%, 6Ω)
BassYes, ±8dB (at 100 Hz)
MidYes, ±8dB (at 1 kHz)
TrebleYes, ±8dB (at 10 kHz)
Input Sensitivity/Impedance: Line (AUX)300mV / 47kΩ
Input Sensitivity/Impedance: Line (D.Audio)300mV / 47kΩ
Output Level/Impedance: Subwoofer Pre-Out2V / 10kΩ
Output Level/Impedance REC OUT2000mV / 10kΩ

Tuner Specifications

Tuner SpecificationsFM Tuning Frequency Range87.5 ~ 108MHz
Antenna Impedance75 Ω unbalanced
AM Tuning Frequency Range531 ~ 1602kHz

USB Specifications

USB SpecificationsFormatUSB Host (Playback)
USB Standard1.1 / 2.0
Usable USB devicesUSB mass storage class devices
USB InterfaceUSB 2.0 (Full speed), USB 1.1 compatible
MP3 Sampling Frequency (Stereo)32/44.1/48kHz
MP3 Bitrate (CBR/VBR)32 kbps to 320 kbps
ID3 tagVersion 1.0/1.1/2.2/2.3/2.4 compatible
Maximum Folders255
Maximum Current Supply1A

Digital Input/Output Specifications

Digital Input/Output SpecificationsSampling Frequencies32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz
Optical Digital Input TerminalsSensitivity -15 dBm - -24 dBm Wave length 660 nm ±30 nm

CD Player Specifications

CD Player SpecificationsTypeSemiconductor laser
Supporting Disc FormatISO 9660 Level 1/2 Joliet, Romeo
Decoding format/type AAC (created using iTunes 4.1 to 10.4)
Sampling frequency: 32/44.1/48kHz
Bit rate: 32kbps to 320kbps
MP3 Sampling Frequency (Stereo)32/44.1/48kHz
MP3 Bitrate (CBR/VBR)32 kbps to 320 kbps
WMA DecodingWindows Media Audio 9 Compliant
WMA Sampling Frequency (Stereo)32/44.1/48kHz
WMA Bitrate (CBR/VBR)32 kbps to 320 kbps
MP3/WMA Maximum Folders255
MP3/WMA Maximum Files999
ID3 tagYes, , versions 1.0/ 1.1/ 2.2/ 2.3/ 2.4
Maximum number of displayable charactersFile names:64 (including file extension)
Tag display: ID3 TAG
Ver.1.0,1.1->30
Ver.2.2,2.3,2.4->64

General Specifications

General SpecificationsDisplay TypeDot Matrix

Power Specifications

Power SpecificationsPower Consumption65 Watt
Stand-by Power Consumption (less than)0.5 Watt

Dimensions & Weight

Dimensions & WeightDimensions (WxHxD)245 x 104 x 309 mm
Weight (Net)5.7kg