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.
Inputs and Outputs
General Overview: The Alpine
KCA-620M allows you to play music from your USB thumb drive or portable MP3
player through your compatible Ai-NET Alpine Head-unit using it's CD-changer
connector port and controls.
Compatibility: The KCA-620M is
compatible with 2004 and up Alpine Ai-NET head-units and mass storage devices
such a USB thumb drives, memory cards with USB adapters, iPods and other
portable MP3 devices. The mass storage devices must be formatted in FAT16 or
FAT32 file format in order to work with this interface device.
Connection: The KCA-620M
interface module connects to your compatible Ai-NET Alpine head-unit via the
supplied Ai-NET cable. The cable will plug into the CD-changer port of your
stereo. The KCA-620M will then display as a CD changer source when source modes
are cycled through on your Alpine radio.
USB Plug: The module uses a USB cable
which has a type-A USB female input on one end that runs from the device to a
location where you can easily plug in your USB thumb drive or portable MP3
player. The KCA-620M will charge your portable MP3 device when it is connected
to the remote location USB input.
Mounting: The interface module mounts with
4 supplied screws. The unit comes supplied with an 8' Ai-NET cable and a 6.5'
USB cable to give you options for location ranges. There is also a bracket to
mount the USB input plug. The bracket has self-adhesive tape on the bottom side
of the bracket and also has two screw holes to mount the bracket more securely
using the supplied mounting screws.
Playback/Search Capabilities: The KCA620M
allows you to use the CD-changer controls on your compatible Ai-NET Alpine
stereo to search and playback your MP3/WMA files from your portable device. When
you are in the CD-changer mode you can choose from the following methods to
search your music files.
- Disc 1 Selection: the disc 1
selection is the Playlist search mode
- Disc 2 Selection: the disc 2
selection is the Artist search mode
- Disc 3 Selection: the disc 3
selection is the Album search mode
- Disc 4 Selection: the disc 4
selection is the Genre search mode
Left-Side Connections: The
following connections are located on the left-hand side of the KCA-620M.
- Ai-NET Connection: proprietary Ai-NET
connector port used to connect the KCA-620M to your compatible ALPINE Ai-NET
head-unit with the supplied Ai-NET cable
- USB: type-A USB port used to supply
signal from a portable MP3/WMA device via the supplied USB cable
- Unused Ports: there are 3 additional
ports on the KCA-620M that are not operational at this time. Two of these
non-operable ports are labeled Line In and the other non-operable port is
Supported Sampling and Bit Rates: The
KCA-620M supports the following MP3 and WMA sampling and bit rates.
- Sampling Rates: 48, 44.1, 32, 24,
22.05, 16, 12, 11.025, and 8 kHz
- Bit Rates: 8 - 320 kbps
- Variable Bit Rate: 8 - 320 kbps
- Sampling Rates: 48, 44.1, and 32
- Bit Rates: 48 - 192 kbps
- Variable Bit Rate: 38 - 320 kbps
KCA-620M With Supplied Cables Attached:
- Width = 5.405"
- Depth = 5.011"
- Height = 1.375"