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Clarion BLT370 Bluetooth® Receiver

Bluetooth hands-free calling and audio streaming

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  • Clarion BLT370 Bluetooth® Receiver

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Item #: 020BLT370
 

Review Summary

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Our take on the Clarion BLT370 Bluetooth® Receiver

by Ken Nail
Clarion

Clarion's BLT370 receiver lets you use your Bluetooth cell phone or Bluetooth equipped MP3 player with a compatible Clarion car stereo. The BLT370 can be clipped to your sun visor for easy setup. Once it's installed, just turn on your phone when you get in the car and the Bluetooth connection will initialize itself — all you have to do is press the talk switch when you get a call. You can also stream audio from cell phones that can transmit music files.

The BLT370 supports the Bluetooth Headset Profile (HSP), Handsfree Profile (HFP), Advanced Audio Distribution Profile (A2dP), and Audio Video Remote Control Profile (AVRCP). Warranty: 1 year.

Note: Compatibility of this device may vary, depending on your phone and service provider.

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Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

Download owner's manual

  • Bluetooth Audio/Mobile-phone transceiver unit with attached 8.5 cord that features left and right RCA connectors/power/ground/mute lead wires
  • Visor clip
  • 39" female stereo RCA to male 3.5mm minijack cable
  • Strip of velcro
  • Owner's Manual (English/French/Spanish)
  • Warranty sheet

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.

Features
Specifications

Features

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 mobile phone

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.

Specifications

Bluetooth Interface Specifications:

  • Compliance: Bluetooth 1.2
  • Profiles: A2DP (stereo music streaming), AVRCP (remote control function), HFP/HSP (hands-free for mobile phone)
  • 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 typical)
  • Stereo Audio: 16 kHz - 48 kHz, 16 bit (for music)
  • Mono Audio: 8 kHz, 16 bit (communication)
  • 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
 
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Clarion BLT370 Bluetooth® Receiver Reviews

Average Customer Review:

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4 out of 5

BLT 370 Bluetooth

Written By Gene, Arroyo Grande on Thursday, January 26, 2012
Crutchfield Customer Review (What's this?)
 
Was not hard to install and works great.
Pros:
works great once you get it set up.
Cons:
This is my second one. The first one only lasted a couple of years before it did not work.
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3 out of 5

Inconsistent with Iphone and CMD6

Written By Jim, Littleton, CO on Tuesday, July 12, 2011
Crutchfield Customer Review (What's this?)
 
My iPhone and this blue tooth adapter don't seem to get along with my Marine CMD6. They "forget" that they know each other. I have had two iPhones talking to this unit, but it seems like it only likes one device in range at a time.

I have had to pair them on mutiple occasions. The documentation is no help in this matter. It is really nice when it works, but I also question the fidelity of bluetooth, at least in my boat.
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3 out of 5

Not a bad product

Written By rick, Las Vegas on Sunday, June 13, 2010
Crutchfield Customer Review (What's this?)
 
Installation was a snap. The light is a little on the bright side but tolerable. The only downside is the volume in which I have to speak is high and quite annoying. I do have a jeep wrangler Hardtop (YJ) which is part of the issue. People on the other end say I sound like I'm in a can. The device works in harmony with the Clarion deck I bought (CZ100) and the deck is more than nice for the $$. All in all, the device is not a bad product.
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4 out of 5

Works Good

Written By Chris, New Jersey on Wednesday, December 30, 2009
 
At first, i thought it sucked, then realized the owners manual to my VX409 was basically
wrong. there are no blue imput wires, i had it hooked up to the black aux in wires and
only got sound out of the rear speakers. I decided to hook them up to the red wires and
now it works GREAT. Volume control finally ! and the speaker i want to hear out of
works. Mic placement is crutial though, i decided to velcro it to the dash as im a smoker
and the visor dosent sound good to the person your speaking to. From what im told its
only slightly noticable that im handsfree but can be heard crystal clear even at speed w
window open. would have liked to see more options though like caller id on display,
voice activation etc, the parrots can do it why cant clarion. Overall very happyw this
product.
4 out of 4 people found this helpful
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1 out of 5

You've got to be kidding?

Written By moparchris, OK on Monday, October 19, 2009
 
This thing is terrible. I wont even mention the poor audio quality, dropped calls, the times that it locked up my Clarion DUZ385 & I had to turn off my truck & open the door to get it working again. I surly won't mention the fact that the audio connector goes into the front of the Clarion radio, or the fact that the buttons don't always work the first time you press them. No, the thing that really bugs me is that when you install it on your visor so you can reach it, it has the brightest blue flashing LED known to man. If you are driving at night this thing will BLIND you. I had to cover it up with black tape. Save your money & your sanity & avoid this and the DUZ385 also for wireless phones.
5 out of 8 people found this helpful
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5 out of 5

Great Add-on

Written By Anonymous, Clarksville TN on Sunday, October 18, 2009
Crutchfield Customer Review (What's this?)
 
I just installed this into my unit used it several times and love it... comes in clear and goes out the same way.

Thank you to crutchfield for helping me out with a few things.

I will send friends to them and if i need to buy more stereo or other electonic items i will be getting from Crutchfield
2 out of 3 people found this helpful
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3 out of 5

Worth it after a mod to head unit

Written By tim, CT on Tuesday, March 04, 2008
Crutchfield Customer Review (What's this?)
 
Works well, like it a lot. The built in microphone works perfectly in my car, Honda civic si 02, it is extremely clear on both sides. The only down fall is the Aux port for my clarion 385USB was in the front, so i modified it, soldered in some RCA connectors to the rear, so i didn't have to have the wires wrap around to the front. Works amazing, and well worth it, after the mod.
18 out of 19 people found this helpful
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3 out of 5

BLT370- A little warbly

Written By acpitt, San Fransisco, CA on Sunday, August 26, 2007
Crutchfield Customer Review (What's this?)
 
Installation is easy if you install your own car stereo. Best to do it at the same time to avoid pulling out and reinstalling. I could hear the calls clearly, but the other end of the line not so clear. No matter where I positioned the microphone, I sounded underwater to whomever I called. Maybe it's the acoustics of my car. You may want to test call before final installation.
127 out of 155 people found this helpful
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For a more in-depth review and enhanced detailed information on the Clarion BLT370 Bluetooth® Receiver, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_020BLT370/Clarion-BLT370-Bluetooth-Receiver.html ).