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Comparison Kenwood KMM-BT309 vs Alpine UTE-201BT

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Kenwood KMM-BT309
Alpine UTE-201BT
Kenwood KMM-BT309Alpine UTE-201BT
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Main
13 band equalizer. Voice control via Amazon Alexa assistant. Integration with Spotify music service. Shortened body.
Application areacarcar
DIN size1DIN1DIN
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 bands133
Number of fixed settings810
High Pass Filter (HPF)
Low Pass Filter (LPF)
Bass Boost function
Amplifier specs
Power per channel50 W50 W
Number of channels44
DSP
Control
Volume controlknob controlknob control
Control functions
steering wheel controls
steering wheel controls
Outputs
Speaker connectionISO/RCAISO/RCA
Line out32
Inputs
front AUX
More features
Tuner bandsFM/AМFM/AМ
Illumination colour selection
BacklightRGBRGB
Added to E-Catalogjanuary 2023may 2019

Short body

Tape recorders with a shortened body.

In this case, shortened means a case that has a shallower depth than classic radio tape recorders equipped with CD drives. Due to this, such models are quite compact, which, in particular, simplifies installation and facilitates wiring. Of course, CD / DVD discs are not supported in principle by such radio tape recorders, but this is not a serious drawback — nowadays there are quite enough alternatives to such media. Also note that the shortened layout does not affect the mounting size (see above) — it can be 1 DIN or 2 DIN, and standard solutions are even larger.

Number of bands

The number of bands in the radio equalizer.

In this case, the band means a separate part of the frequency range, the volume of which can be adjusted using the equalizer independently of the other parts. The more bands the equalizer has, the more accurately it allows you to adjust the overall sound of the car radio acoustics. However, note that multi-band equalizers are quite difficult to set up, therefore they are recommended primarily for experienced users.

Number of fixed settings

The number of fixed settings (presets) provided in the car radio equalizer.

The presence of such settings can greatly simplify the adjustment: choosing the right preset is easier than manually adjusting each EQ band. At the same time, presets are often selected by the manufacturer for certain genres of music and have the appropriate names — "Rock", "Pop", "Jazz", etc.; this simplifies the task even more. And the more fixed settings in the device, the wider the choice of the user. In some radio tape recorders, in addition to pre-flashed ones, user presets are also provided — they can be programmed in advance and turned on in the same way as the preset ones.

DSP

The presence in the radio built-in DSP — digital sound processor.

Such a processor improves the overall sound quality and provides additional options for its adjustment. One of the most important DSP functions is time correction: it allows you to adjust the acoustics so that the sound from speakers located at different distances from the user reaches it at the same time. Such coordination significantly improves the impression of the sound. In addition, radios with DSP necessarily have a digital crossover (frequency separation) and an equalizer with a fairly large number of bands.

The presence of a processor significantly affects the price of the radio, but in most cases this is a justified payment for the sound quality. But the unequivocal disadvantage of "processor" models is the difficulty in installation and configuration, for this it is best to contact a specialist.

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).
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Alpine UTE-201BT often compared