Comparison Kenwood KMM-BT309 vs Kenwood KMM-BT209

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	Kenwood KMM-BT309	Kenwood KMM-BT209
	Outdated Product	£73.99 Compare prices 1
all specs only differences
TOP sellers	Find prices on Amazon.uk Find prices on eBay.uk	Amazon.co.uk £74.00 Buy in shop
Main	13 band equalizer. Voice control via Amazon Alexa assistant. Integration with Spotify music service. Shortened body.	13 band equalizer. Voice control via Amazon Alexa assistant. Integration with Spotify music service. Smartphone control. Shortened body.
Application area	car	car
DIN size	1DIN	1DIN
Short body
Front panel	detachable	detachable
Media types	USB storage (front) iPod/iPhone connection Android connection	USB storage (front) iPod/iPhone connection Android connection
FLAC support
Equipment
Multimedia	Bluetooth	Bluetooth
Equalizer
Number of bands	13	13
Number of fixed settings	8	8
High Pass Filter (HPF)
Low Pass Filter (LPF)
Bass Boost function
Amplifier specs
Power per channel	50 W	50 W
Number of channels	4	4
DSP
Control
Volume control	knob control	knob control
Control functions	steering wheel controls	steering wheel controls
Outputs
Speaker connection	ISO/RCA	ISO/RCA
Line out	3	1
Inputs
front AUX
More features
Tuner bands	FM/AМ	FM/AМ
Illumination colour selection
Backlight	RGB	red
Added to E-Catalog	january 2023	december 2022

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Line out

The number of line outputs (see above) provided in the design of the radio. It should be noted that usually these outputs use RCA connectors (“tulip”), and the analog format allows only one audio channel to be transmitted through one such. Therefore, to work with a stereo signal, two RCA connectors are required, and just a pair of such jacks is considered to be one line output - a set designed for one set of stereo speakers. The main difference between this interface and the same RCA used to connect speakers (see above) is that the line output receives a signal from a preamplifier that is unsuitable for feeding to passive acoustics. Such a signal must be sent to active speakers or an external amplifier (whereas the speaker is connected to the output of a power amplifier designed for passive speakers).

Illumination colour selection

The ability to choose the backlight colour for the control panel, and sometimes also for the radio display. The specific range of shades available can vary, whether it be a few colours or the entire RGB palette; see "Illumination colour" for details. Anyway, this feature does not play a functional role, however, it allows you to customize the appearance of the device so that it is in harmony with the appearance of the dashboard and matches the user's mood.

Backlight

The colour of the backlight plays primarily an aesthetic role, allowing you to choose a radio for the design of the dashboard and user preferences. In addition, some colours have a practical meaning. So, the red backlight is extremely popular nowadays also because it is almost perfect for the dark time of the day: this shade does not knock down "night vision" and has a stimulating effect on the nervous system. And green, on the contrary, relieves excessive nervousness and promotes peace of mind. Other popular colours in modern times include white, blue, orange, yellow, purple ; they do not have such pronounced effects, here the main selection criterion is “like or dislike”.

Also note that in many models several backlight colours are indicated at once. This means that the device has a backlight with adjustable colour selection. At the same time, there are models with a choice of a full range of RGB colours.