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Kenwood KDC-BT440U CD MP3 USB Aux Stereo Bluetooth iPhone Android Ready

Kenwood KDC BT440U - Car Radio/CD/MP3/WMA/AAC/FLAC  •Bluetooth with A2DP/AVRCP Control  •Android Ready.  •Two Phone Fulltime Connection  •SIRI Voice Dialing  •Spotify App Link.  •Remote App Ready  •Front USB 1.5amp.  •Front Auxillary  • 13 Band EQ  •2.5v Preout  •4 x 50w  •SWRC  •External Microphone.  •Red Illumination -  Replacement for KDC-BT400U, KDC-BT410U, KDC-BT420U, KDC-BT430U


In stock
£99.99 £74.99 Save £25.00

Bluetooth | Android | iPhone/iPod | Spotify | USB | AUX | CD | Receiver

Front panel with blue key illumination 


Bluetooth hands-free calling Kenwood car stereo

Driving while on the phone / touching it could get you: 6 points and a £200 fine. With Kenwood's Bluetooth receivers you stay safe and legal by connecting your phone via Bluetooth or via the USB lead (easy pairing for iPhones / Android smartphones). Then you can make calls by using voice activation like Siri. Your phonebook is also accessible from the KDC-BT440U.

HP 1.6 for Bluetooth hands-free - Clear and real sounding voice by “Wideband Speech” is available through hands-free conversation via Bluetooth. * Availability of HFP 1.6 (Wideband Speech) depends on the phone and service provider.



2 Phones full-time connection

Bluetooth 2 phones hands-free calling

Allows two phones to be connected for hands-free operation at any time. Easily switch between both phones with the touch of a button. Answering, calling or searching your phonebook on your phone is made simple through an intuitive GUI.

Wireless Bluetooth music browsing

Bluetooth wireless music browsing

Easily stream music from your smartphone or other Bluetooth devices directly to the receiver. Wireless music browsing lets you search and select songs from your smartphone music collection, through a Bluetooth connection.

Kenwood music mix (5 Devices paired for music streaming)

Kenwood music mix 5 devices connected

Up to 5 Bluetooth devices can be paired to the car stereo at the same time and you can enjoy audio streaming just by switching the devices with your friends and family.

Spotify App Ready

Spotify app ready for Kenwood car stereosControl content from your Spotify App on your iPhone and Android devices as a dedicated source on the car stereo. Listeners can play, skip tracks, browse playlists, albums and radio stations via the car stereo's front panel.


Kenwood Remote App

Kenwood remote app

By downloading the Kenwood Remote App from the Apple App Store or Google Play Store you can simply set-up your Kenwood car stereo on your phone directly. 

Android music playback

Android playback kenwood car radio

Simply install the Kenwood Music Play app onto your AndroidTM smartphone, connect it to your KDC-BT440U receiver via USB, and control your music library directly from the receiver. Features include play and search with the Kenwood receiver.

Alternatively for simple operations like skip track back/forward without using the Kenwood Music Play app from the receiver.

Check compatible supported Android devices, FAQ and information on KENWOOD Music Play 

iPhone / iPod music playback

iPhone iPod music playback kenwood car radio

Plug in your iPhone or iPod using the Apple white USB lead provided with the device, into the front USB input and access your music library or Apple Music direct from the KDC-BT440U.

Also, the USB input charges your Apple device on the more.

FLAC playability

FLAC - Kenwood

FLAC (Free Lossless Audio Codec) is a music compression format specifically designed for audio lovers, having smaller file sizes but without the loss of quality. Kenwood is the first manufacturer to step into the quality sound of FLAC in the car audio industry.

Front USB input / Android rapid charge

Full speed USB 2.0.

Rapidly charge your compatible Android smartphone with the USB port, up to a maximum of 1.5A. Replaces KDCBT440U

Product Features

Key Features

  • Bluetooth handsfree & audio streaming built-in
  • MP3/WMA/AAC/WAV/FLAC playback
  • DSP, DTA & 13-band EQ built-in
  • KENWOOD Remote app ready
  • KENWOOD Music Mix app ready
  • 13 digits, 1 Line Wide LCD Display
  • Red Key / White Display illumination
  • English/Russian/Spanish & French GUI language
  • 1 RCA Preout (rear/sub selectable) Preout (2,5V)
  • OEM wired steeringwheel remote ready

General Features

  • DIN Size 1 DIN
  • Detachable Faceplate
  • Key Illumination  Red LED
  • Rotary Encoder & Control Knob
  • Dual Accent Key Handsfree & Audio Streaming
  • Back-up Memory Tuner presets & menu settings
  • Attenuator with Smooth Volume Return  
  • Touch Sensor Tone    
  • Digital Clock (24H)     
  • Clock display when power-off default off
  • All-off Select (20/40/60 minutes)    
  • Built-in Connector Mitsumi, 16 pin
  • ISO connector, Mitsumi to ISO cable
  • Bluetooth unit built-in
  • USB interface x 1, (Front)
  • Firmware upgreadable

Display Features

  • Display Type    Liquid Crystal Display (LCD)
  • Display Layout 1 line 13 Segments x 13 Digit
  • Vertical Aligment Liquid Crystal Display
  • Display Illumination White (LED)
  • Dimmer Control Manual / Set by Timer
  • Brightness control 0 - 31 steps
  • Demo Mode
  • Menu text in selectable language
  • English(default) / Spanish / French / Russian

Cosmetics features

  • Dress plate Black Injection
  • Preset key finish Black Injection
  • Escutcheon finish Black Injection
  • Volume & operation knob or wheel Transparant Lighting
  • Triangle Illumination  Red LED
  • Front terminals dust cover
  • Key illumination Red LED
  • Illuminated front USB port Red LED
  • Brightness Control (Key) 0 - 31 step
  • Dimmer Control (Key) Manual / Set by Timer

Tuner Features

  • Station Select Manual / Preset
  • FM Reception
  • AM (MW/LW) Reception
  • Tuner Presets (FM/AM) 24 Presets (18FM / 6AM)
  • Preset memory w/o back-up power
  • Mixed preset memory (FM & AM)  6 presets
  • Up/Down Seek/Scan
  • Automatic Memory Entry (AME)
  • FM Stereo / Mono Selector
  • Radio Data System
  • Radio Text Plus
  • Traffic Information
  • Local search 
  • AF Regional Selectable: AF/AF Reg/OFF
  • Auto TP search
  • Enhanced Other Networks Function (EON)
  • Program Type Function (PTY)
  • CE_Playable Audio file
  • AAC (*.m4a) files are playable USB
  • AAC (*.aac) files are playable CD/USB
  • MP3 files are playable CD/USB
  • WMA (.wma) files are playable CD/USB
  • WAV (.wav) files are playable USB
  • FLAC files are playable USB

CD Features

  • CD-R/RW Compatible
  • MP3, WMA & AAC playback
  • CD Text with special Character Support
  • English(default) / Spanish / French / German / Russian / Greek
  • D.A.C. processing 24bit
  • 0 bit Mute
  • Random Function DISC Random/Random OFF
  • Repeat Function Track Repeat/All Repeat

USB Features

  • USB terminal, Front with dust cover
  • USB Type 2.0 High speed
  • MP3, WMA, AAC, WAV, FLAC playback 
  • Repeat/Scan/Random search
  • Repeat / Random Play       
  • Direct search
  • Resume play
  • Time code display  
  • 1,5A Smartphone Quick Charge

Audio Features

  • Maximum Output Power 50W x 4
  • MOSFET Power IC
  • Auxiliary Type Mini-jack, front panel
  • Pre-out 1 RCA
  • Pre-out Output Level  2.5V
  • Preout Rear / Subwoofer Switchable
  • Subwoofer Reference Level Adj.     
  • 2-Way X'over network        
  • 3-Way x'over (bi-amp connection)
  • Tone Control / Easy EQ  13 band, 8 presets
  • Balance/Fader/Loudness Control
  • Bass Boost Circuit Off/+1/+2/+3/+4/+5
  • Att.(-20dB) with smooth Volume Return  
  • Easy 3-band EQ mode
  • Graphic Equalizer + Preset 13-Bands Graphic Equalizer with 8 Presets.
  • Digital Sound Processor (DSP) Built-in    
  • Digital Time Aligment (DTA)
  • Low- & High-pass Filter    
  • Speaker Size Control, Front/rear/subwoofer independently
  • Kenwood Sound Reconstruction
  • Sound Reconstruction
  • Space Enhancer     
  • Realizer 
  • Stage EQ
  • Drive EQ

Bluetooth General Features

  • Hands Free Profile with High Sound Quality HFP V1.7.1
  • Max num. of regist. phones for HFP   5 phones
  • 2 phones fulltime connection
  • Audio Streaming (A2DP)
  • High Quality Audio Streaming SBC/AAC
  • Max num. of regist. units for A2DP 5 units
  • Serial Port Profile (SPP)
  • Phonebook Access Profile (PBAP)
  • Spotify App Link
  • KENWOOD Remote App Ready
  • KENWOOD Music Mix Support
  • Catchphone / Call Waiting
  • Private mode
  • Alphabet Search (Phonebook)    
  • Noise Canceller
  • Echo Canceller
  • Phone device status display
  • Audio device status display 
  • Signal strength display         
  • Remaining battery display  
  • Bluetooth Paring Indicator    
  • High-quality noise canceling microphone Rear Wired
  • Bluetooth firmware upgradeable
  • * depends on phone model/make & Kenwood unit


  • Front USB & AUX Input
  • OEM Wired Remote Control ready
  • DC-Cord Mitsumi to ISO
  • Power Control (P.CON) wire
  • Amplifier pre-out 1 RCA: Rear/Subwoofer (selectable)
  • FM Antenna Input JASO connector
  • External microphone input 3,5mm mini-jack

Tuner Specifications

  • FM range: 87.5Mhz - 108MHz (50Khz step)
  • FM Usable Sensitivity 0.56μV/75ohm (S/N 30dBf)
  • FM Quieting Sensitivity 1.58μV/75ohm (S/N 46dBf)
  • FM Frequency Response 30Hz ~ 15kHz (± 3dB)
  • FM Signal to noise ratio (Mono) 68dB
  • FM Stereo Separation (1kHz) 40dB
  • MW range: 531kHz - 1611kHz (9kHz step)
  • MW Usable Sensitivity  28.5μV
  • LW range: 153kHz - 279kHz (9kHz step)
  • LW Usable Sensitivity 45μV
  • Codec Specs
  • MP3 Format MPEG 1/2 Audio Layer 3-Files
  • WMA Format  in accordance with Windows Media Audio
  • AAC Format AAC-LC “.aac”(CD&USB) and ".m4a"(USB) files
  • WAV Format RIFF waveform Audio Format (only for LinearPCM)
  • FLAC Format   FLAC files (up to 96kHz/24bit)

CD Specifications

  • Laser Diode  GaAIAs
  • 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   97dB (1kHz)
  • Dynamic Range 92dB
  • Channel Separation 85dB
  • MP3 Decoder  Compliant with MPEG-1/2 Audio Layer-3
  • WMA Decoder Compliant with Windows Media Audio
  • AAC Decoder   AAC-LC".aac" Files

USB Specifications

  • USB Version compatibility USB 1.1 / 2.0 full speed
  • File System FAT 32 / 16 / 12
  • Maximum Supply current 1500mA
  • D/A Converter 24bit
  • MP3 Decode Compliant with MPEG-1/2 Audio Layer-3
  • WMA Decode Compliant with Windows Media Audio
  • AAC Decode "m4a" & "aac" file encoded by AAC-LC format
  • WAV Decode Linear - PCM Files
  • flac Decode FLAC files up to 96kHz/24bit

Audio Specifications

  • Maximum Power 50W x 4
  • Output Power (DIN45324,+B=14.4v) 22W x 4
  • Preout Level  2500mV / 10kOhm,
  • Preout Impedance ≤ 600Ohm
  • Speaker Impedance 4Ohm ~ 8Ohm
  • AUX Frequency Response  20Hz ~ 20kHz (±1dB)
  • AUX Maximum Input Voltage 1000mV
  • AUX Input Impedance 30kOhm

DSP Specifications

  • Equalizer Type Graphic
  • Frequency band 13 bands
  • Frequency band - Front 62.5Hz ~ 16kHz
  • Equalizer Gain –9db ~ +9db
  • Q Control 0.25/ 0.50/ 1.00/ 2.00
  • High Pass Filter frequency Through/50 ~ 220 (Hz)
  • High Pass Filter Slope -12/-18/-24 dB/Oct
  • Low Pass Filter frequency 50 ~ 120(Hz)/Through
  • Low Pass Filter Slope  -12/-18/-24 dB/Oct
  • Time Alignment    0 — 610cm(2 cm step)
  • Car type  








Bluetooth specifications

  • Technology Bluetooth V4.2
  • Frequency 2.402 - 2.48 GHz
  • Output power +4dBm(max), 0dBm (AVE) power class 2
  • Maximum range Line of sight approx. 10 meter
  • Handsfree profile (HFP)      
  • Serial port profile (SPP)     
  • Advanced audio distribution profile (A2DP)
  • Audio Codec SBC/AAC
  • Audio/Video remote control profile (AVRCP)
  • Phonebook access profile (PBAP)


  • Release keys 2 pieces
  • Escutcheon    
  • Installation Sleeve   
  • DC cord (Mitsumi to ISO) 15 cm
  • Handsfree Microphone with 3 m cable

General Specifications

  • Operating voltage 14.4V (10.5 ~ 16V Allowable)
  • Maximum Current Consumption 10A
  • Dark Current Consumption Below 1mA
  • Dimensions (WxHxD) 182 x 53 x 155.5mm
  • Weight 1200 gr.
  • Operation Temperature Range  -10°C ~ 60°C
  • Instruction Manuals   Multi-language quick Guide

Related Products:

  Facia Adaptors 

  Headunit Fitting Kits

    Steering Wheel Interfaces

Connects 2 CT20AU01 - Audi 2005> to ISO harness lead  Wiring Harness


More Information
Price £99.99
Manufacturer Kenwood
Vehicle Manufacturer None
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