Kenwood KDC-BT31UMP3/WMA/AAC/CD/USB-Receiver with AUX Input and Bluetooth built-in

Kenwood’s KDC-BT31U is the first in our range of Bluetooth hands-free solutions. Your phonebook list is displayed for selection and previous call logs can also be used. In coming caller number or name is also displayed before you allow connection. Mobile MP3 players such as iPods can easily be connected via an illuminated front audio input socket (AUX). USB devices can also be connected to the USB port on the front panel. A cool blue display gives easy visibility even in sunny conditions. A high power 4x50watt built-in power amplifier will fill your car with high quality sound from any source.

Key Features
MP3, WMA, AAC playback
Illuminated front AUX & USB terminal with slide protection cover
Bluetooth handsfree built-in
Orignial steeringwheel remote controle interface terminal
RDS with radio text
Compatible with Kenwood Music Editor lite
MP3, WMA, AAC playback
Illuminated front AUX & USB terminal with slide protection cover
Bluetooth handsfree built-in
Orignial steeringwheel remote controle interface terminal
RDS with radio text
Compatible with Kenwood Music Editor lite

General Features
DIN Size 1 DIN
Detachable Faceplate Yes
Protection Case For Faceplate Yes, soft case
Faceplate Mechanism Full Detachable Faceplate
Key Illumination Red
Rotary Encoder & Control Knob Yes
Music Search function Yes
Accent key Yes, (telephone key)
Digital Clock (24H) Yes
All-off Select (20/40/60 minutes) Yes
Built-in Connector Molex 16 pin
ISO connector Yes
USB interface x 1 Yes, Front

Display Features
Display Type Fluorescent (FL) Tube Display
Display Layout 13 segments x 11 Characters
Display Illumination Flouricent (FL)
Dimmer Control 2 steps - Manual
Demo Mode Yes
Special Character Display Russian Characters

Cosmetics features
Front/edge Piano black
Dress plate Piano Black
Volume & operation knob or wheel black injection
Preset key finish Piano Black
Escutcheon finish Black Injection
Triangle Illumination Red
Volume & operation knob illumination Red
Key illumination Red

Tuner Features
Radio Data System Yes
Radio Text Yes
Program Type Function (PTY) Yes
Enhanced Other Networks Function (EON) Yes
PACS - clean reception tuner Yes
FM Reception Yes
AM (MW/LW) Reception Yes
Presets 24 Presets (18FM / 3LW / 3MW)
Mixed preset memory (FM & AM) 6 presets
Automatic Memory Entry (AME) Yes
Up/Down Seek Tuning Yes
Tuning mode (Auto1 / Auto2 / Manual) Yes
FM Stereo / Mono Selector Yes

CD Features
CD-R/RW Compatible Yes
MP3 Playback with ID3 Tag Display Yes
WMA (Windows Media Audio) Playback Yes
AAC (Advanced Audio Coding) Playback Yes
Compatible with Kenwood Music Editor Lite Yes
CD Text Support Yes
CD Text with special Character Support Yes, Russian
Supreme Yes
D.A.C. processing 24 bit
0 bit Mute Yes

USB Features
USB terminal Yes, Front
USB Type USB1.1 / USB 2.0
Kenwood Music Editor Lite Yes, (download from site)
MP3 playback with ID3 Tag Display Yes
WMA (Windows Media File) playback Yes
AAC (Advanced Audio Codec) playback Yes
Repeat/Scan/Random search Yes

Audio Features
Maximum Output Power 50W x 4
MOSFET Power IC Yes
Auxiliary input Yes, front
Auxiliary Type Mini-jack
Pre-out 1 RCA
Pre-out Output Level 2V
Preout Rear / Subwoofer Switchable Yes
Subwoofer Reference Level Adj. Yes
Source Tone Control & Memory Bass / Mid / Treble
Balance/Fader Control Yes
System Q_EX (Preset & Manual Sound Control) Yes
Bass Boost Circuit Yes
Low-pass Filter Yes

Bluetooth General Features
Hands free Profile (HPF) Yes
Serial Port Profile (SPP) Yes
Headset Profile (HSP) Yes
Phonebook Access Profile (PBAP) Yes
Object Push Profile (OPP) Yes
Synchronization Profile (SYNC) Yes
Easy pairing function Yes
Phone device status display Yes
Signal strength display Yes
Remaining battery display Yes
Bluetooth phones to register 5
High-quality noise canceling microphone Yes, built-in
Bluetooth firmware upgradeable Yes
* depends on phone model/make & Kenwood unit

Connectivity
USB interface Yes
OEM Wired Remote Control Yes
2-way (Tel/Navi) mute wire Yes

Tuner Specifications
FM Frequency range (50kHz step) 87.5MHz ~ 108MHz
FM Usable Sensitivity 1μV/75ohm (S/N 26dB)
FM Quieting Sensitivity 2.5μV/75ohm (S/N 46dB)
FM Signal to noise ratio (Mono) 63dB
FM Stereo Separation (1kHz) 40dB
MW Frequency Range 531kHz ~ 1611kHz
MW Frequency step 9kHz
MW Usable Sensitivity 36μV (S/N 20dB)
LW Frequency Range 153kHz ~ 279kHz
LW Usable Sensitivity 57μV (S/N 20dB)

CD Specifications
Laser Diode GaAlAs
Digital Filter(D/A) 8 Times Over Sampling
Digital/Analogue Converter 24 Bit
Wow & Flutter below measurable limit
Frequency Response 20Hz ~ 20kHz (±1dB)
Total Harmonic Distortion 0.01% (1kHz)
Signal to Noise Ratio 105dB (1kHz)
Dynamic Range 90dB
Channel Separation 85dB
MP3 Decoder Compliant with MPEG-1/2 Audio Layer-3
WMA Decoder Compliant with Windows Media Audio
AAC Decoder AAC-LC ".m4a" files

USB Specifications
USB Version compatibility 1.1 / 2.0
File System FAT 16/32
Maximum Supply current 500mA
MP3 Decode Compliant with MPEG-1/2 Audio Layer-3
WMA Decode Compliant with Windows Media Audio
AAC Decode AAC-LC "m4a" Files

Audio Specifications
Maximum Power 50W x 4
Output Power (DIN45324,+B=14.4v) 30W x 4
Preout Level 2000mV / 10kOhm,
Preout Impedance ≤ 600Ohm
Speaker Impedance 4Ohm ~ 8Ohm
AUX Frequency Response 20Hz ~ 20kHz (±1dB)
AUX Maximum Input Voltage 1200mV
AUX Input Impedance 10kOhm
Bass Tone Control 100Hz ±8dB
Middle Tone Control 1kHz ±8dB
Treble Tone Control 10kHz ±8dB

General Specifications
Operating voltage 14.4V (11 ~ 16V Allowable)
Maximum Current Consumption 10A
Dimensions (WxHxD) 182 x 53 x 158mm
Weight 1300gr
Instruction Manuals ENG/FRE/GER/DUT/ITA/SPA/POR
Front/edge Piano black
Dress plate Piano Black
Volume & operation knob or wheel black injection
Preset key finish Piano Black
Escutcheon finish Black Injection
Triangle Illumination Red
Volume & operation knob illumination Red
Key illumination Red
Radio Data System Yes
Radio Text Yes
Program Type Function (PTY) Yes
Enhanced Other Networks Function (EON) Yes
PACS - clean reception tuner Yes
FM Reception Yes
AM (MW/LW) Reception Yes
Presets 24 Presets (18FM / 3LW / 3MW)
Mixed preset memory (FM & AM) 6 presets
Automatic Memory Entry (AME) Yes
Up/Down Seek Tuning Yes
Tuning mode (Auto1 / Auto2 / Manual) Yes
FM Stereo / Mono Selector Yes
CD-R/RW Compatible Yes
MP3 Playback with ID3 Tag Display Yes
WMA (Windows Media Audio) Playback Yes
AAC (Advanced Audio Coding) Playback Yes
Compatible with Kenwood Music Editor Lite Yes
CD Text Support Yes
CD Text with special Character Support Yes, Russian
Supreme Yes
D.A.C. processing 24 bit
0 bit Mute Yes
USB terminal Yes, Front
USB Type USB1.1 / USB 2.0
Kenwood Music Editor Lite Yes, (download from site)
MP3 playback with ID3 Tag Display Yes
WMA (Windows Media File) playback Yes
AAC (Advanced Audio Codec) playback Yes
Repeat/Scan/Random search Yes
Hands free Profile (HPF) Yes
Serial Port Profile (SPP) Yes
Headset Profile (HSP) Yes
Phonebook Access Profile (PBAP) Yes
Object Push Profile (OPP) Yes
Synchronization Profile (SYNC) Yes
Easy pairing function Yes
Phone device status display Yes
Signal strength display Yes
Remaining battery display Yes
Bluetooth phones to register 5
High-quality noise canceling microphone Yes, built-in
Bluetooth firmware upgradeable Yes
* depends on phone model/make & Kenwood unit
USB interface Yes
OEM Wired Remote Control Yes
2-way (Tel/Navi) mute wire Yes
Display Type Fluorescent (FL) Tube Display
Display Layout 13 segments x 11 Characters
Display Illumination Flouricent (FL)
Dimmer Control 2 steps - Manual
Demo Mode Yes
Special Character Display Russian Characters
Maximum Output Power 50W x 4
MOSFET Power IC Yes
Auxiliary input Yes, front
Auxiliary Type Mini-jack
Pre-out 1 RCA
Pre-out Output Level 2V
Preout Rear / Subwoofer Switchable Yes
Subwoofer Reference Level Adj. Yes
Source Tone Control & Memory Bass / Mid / Treble
Balance/Fader Control Yes
System Q_EX (Preset & Manual Sound Control) Yes
Bass Boost Circuit Yes
Low-pass Filter Yes
DIN Size 1 DIN
Detachable Faceplate Yes
Protection Case For Faceplate Yes, soft case
Faceplate Mechanism Full Detachable Faceplate
Key Illumination Red
Rotary Encoder & Control Knob Yes
Music Search function Yes
Accent key Yes, (telephone key)
Digital Clock (24H) Yes
All-off Select (20/40/60 minutes) Yes
Built-in Connector Molex 16 pin
ISO connector Yes
USB interface x 1 Yes, Front
FM Frequency range (50kHz step) 87.5MHz ~ 108MHz
FM Usable Sensitivity 1μV/75ohm (S/N 26dB)
FM Quieting Sensitivity 2.5μV/75ohm (S/N 46dB)
FM Signal to noise ratio (Mono) 63dB
FM Stereo Separation (1kHz) 40dB
MW Frequency Range 531kHz ~ 1611kHz
MW Frequency step 9kHz
MW Usable Sensitivity 36μV (S/N 20dB)
LW Frequency Range 153kHz ~ 279kHz
LW Usable Sensitivity 57μV (S/N 20dB)
Laser Diode GaAlAs
Digital Filter(D/A) 8 Times Over Sampling
Digital/Analogue Converter 24 Bit
Wow & Flutter below measurable limit
Frequency Response 20Hz ~ 20kHz (±1dB)
Total Harmonic Distortion 0.01% (1kHz)
Signal to Noise Ratio 105dB (1kHz)
Dynamic Range 90dB
Channel Separation 85dB
MP3 Decoder Compliant with MPEG-1/2 Audio Layer-3
WMA Decoder Compliant with Windows Media Audio
AAC Decoder AAC-LC ".m4a" files
USB Version compatibility 1.1 / 2.0
File System FAT 16/32
Maximum Supply current 500mA
MP3 Decode Compliant with MPEG-1/2 Audio Layer-3
WMA Decode Compliant with Windows Media Audio
AAC Decode AAC-LC "m4a" Files
Maximum Power 50W x 4
Output Power (DIN45324,+B=14.4v) 30W x 4
Preout Level 2000mV / 10kOhm,
Preout Impedance ≤ 600Ohm
Speaker Impedance 4Ohm ~ 8Ohm
AUX Frequency Response 20Hz ~ 20kHz (±1dB)
AUX Maximum Input Voltage 1200mV
AUX Input Impedance 10kOhm
Bass Tone Control 100Hz ±8dB
Middle Tone Control 1kHz ±8dB
Treble Tone Control 10kHz ±8dB
Operating voltage 14.4V (11 ~ 16V Allowable)
Maximum Current Consumption 10A
Dimensions (WxHxD) 182 x 53 x 158mm
Weight 1300gr
Instruction Manuals ENG/FRE/GER/DUT/ITA/SPA/POR