Our Product Research Team
At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere.
That's because we have our own in-house Product Research team — they open the box,
verify contents, check the owner's manual, and record dimensions, features and specs.
We stay on top of new products and technologies to help people make informed choices.
Overview: The Clarion BLT370 is
a hands-free car kit featuring Bluetooth wireless technology that allows you to
utilize your Clarion headunit and car's built-in audio system for wireless music
streaming and wireless hands-free communication from your mobile phone.
Compatibility: The Clarion BLT370 Bluetooth
Interface supports Bluetooth's version 1.2 and is compatible with any Clarion
radio that features an auxiliary input and a telephone interrupt function. The
BLT370 is currently compatible with all 2007-up Clarion headunits that feature the
TEL and AUX function. Visit the Clarion website for phone compatibility.
Bluetooth Wireless Technology:
The Bluetooth wireless technology enables voice and data to be sent via a
short-distant digital radio link up to approximately 33 feet. As such, it extends the wireless communication
possibilities for mobile phones and hundreds of electronic devices and ensures
crisp, static-free audio performance. The BLT370 is compatible with most
Bluetooth enabled mobile phones, including the Apple iPhone. It supports
the following Bluetooth wireless technology profiles.
- HFP/HSP: Wireless
hands-free and headset communication for your Bluetooth enabled mobile phone
- A2DP/AVRCP: Wireless
stereo music streaming and remote control functions
(start/play/stop/pause/volume/track search) from your Bluetooth enabled
Bluetooth Transceiver: The
BLT370 Transceiver unit is used to receive audio signals via Bluetooth wireless
technology from other Bluetooth enabled devices and stream them to you car's
audio system. The Bluetooth
module consists of a built-in microphone, external microphone 2.5mm input, Blue/Red
LED window, Answer/Playback buttons, volume controls and a Left/Right audio
switch. The module has an attached 8.5' cord which features a stereo RCA
auxiliary output, a 12-volt power wire (with an LC box attached), a ground wire,
and a Tele-interrupt wire. The power and ground wires connect to your car's
12-volt source's power and ground connections; the Tele-interrupt wire connects
to your car stereo's telephone mute lead; the RCA auxiliary output plugs into
your headunit's auxiliary input via RCA or miniplug (using the supplied RCA to
minijack adapter). The Bluetooth
module comes with a visor-clip to mount it to your driver side sun-visor (the
internal microphone should be facing towards the user when installed).
Acoustic Echo Cancellation: The advanced
built-in DSP-base Acoustic Echo Cancellation (AEC) system is capable of handling
full-duplex communication, echo cancellation, and noise suppression on the
microphone input to enable smooth hands-free communication and clear speech.
Calls: When making a call you will still
use your mobile phone's keypad to dial out. Once you press the "Send" button
your phone becomes connected with the BLT370 Transceiver and your car's stereo
system will be muted so you can begin your wireless conversation using the
BLT370's built-in microphone to speak through and your vehicle's speakers to
hear the other person. During an incoming call, a ringing tone will be heard
through your vehicle's speakers and your music will be muted. The unit's
red/blue LED will blink quickly during an incoming call until you answer by
simply pressing the "Green" answer button on the BLT370. Any music playing will
be temporarily muted until the call is ended or rejected by pressing the "Red"
call-end button. You can simply reject an incoming call without answering it by
pressing the "Red" call-end button on the unit while your phone is ringing. You
can also transfer calls between the BLT370 and your mobile phone in a case where
you want more privacy on the phone.
Music Streaming And Playback Control: The
BLT370 supports wireless music streaming for transferring stereo music audio
data that is processed as a steady and continuous audible stream from your
Bluetooth enabled phone to your Clarion headunit and car's audio system. You can
listen to and control music stored on your phone. The BLT370 lets you control
the following playback functions from your Bluetooth compatible phone - Play,
Pause, Stop, Track Search. You can adjust the speaker volume during music
streaming between 19 different volume levels to match your other source's volume
through your car's audio system.
Bluetooth Interface Specifications:
- Compliance: Bluetooth 1.2
- Profiles: A2DP (stereo music
streaming), AVRCP (remote control function), HFP/HSP (hands-free for mobile
- Wireless Range: Class 2 - up to 10
meters or 33 feet (line of sight)
- Sensitivity: -80 dBm
- Data Rate: Forward - 723 kbps,
Reverse - 575 kbps
- Antenna: 2.45 GHz chip type
- Compression/Decompression Algorithm:
SBC (sub-band coding)
- Bit Rate: Variable (< 350 kbps
- Stereo Audio: 16 kHz - 48 kHz, 16 bit
- Mono Audio: 8 kHz, 16 bit
- iPod Support: MMI support for iPod
(play/pause, next/previous track, etc.)
- Audio Bandwidth: 30 Hz - 20 kHz
- Signal-To-Noise Ratio: 84 dB
- Mic Input: 2.2k ohm
- Analog Ouput: Line Level (1 Vrms)
- Voltage Source: Max. 16 VDC
- Max Current: 40-50 mA