®
KM-112
Vocal Mixer with Computer Audio Interface
User Manual
NOTE: To ensure your equipment works safely and to its fullest potential, please
read this User’s Manual carefully before operating, and keep for future reference.
ank you for purchasing Acesonic’s KM-112
Vocal Mixer with Computer Audio Interface. At
Acesonic, we take pride in providing you with the
most advanced, highest quality products on the
market. With proper care you will get many years of
satisfying use from your Acesonic product.
Table of Contents
Parts Checklist.....................................................1
First ings First .................................................1
Care and Cleaning ...............................................2
Review of KM-112 Features ...............................2
Technical Specications ......................................3
Front Panel Operations and Functions ................3
Rear Panel Operations and Functions .................4
Recording and Playback with Computer .............4
Cable Connections and Setup .............................5
Troubleshooting ..................................................6
FCC Advisory and Safety Warnings ...................7
Using Your KM-112 Safely .................................7
Parts Checklist
Your Acesonic KM-112 system includes:
• Acesonic HM-702 mic with 14-ft. cable (1)
• USB A-to-B cable (1)
• KM-112 Vocal Mixer and Computer Audio
Interface (1)
• RCA cable, RCA red/white/yellow both ends (1)
• Mini-jack-to-RCA cable (1)
• User Manual (1)
• Warranty Registration Card (1)
Be sure to keep original packaging in case re-shipping
is required for returns or repairs.
First Things First
Before using your new equipment, there are a few
things you should do and know:
• IMPORTANT: Check to see that your local power
outlets supply the correct voltage for the AC adapter.
Note: Be certain you have selected the correct voltage
setting on the rear panel switch before using device.
(See “Rear Panel Operations and Functions” on page 4
and refer to item number 5.)
• Do not dismantle the device on your own. For
needed repairs, contact the local distributor or authorized service center.
• When the system will not be used for a long time,
disconnect the power plug from the wall (as well as
the back of the receiver).
1
Care and Cleaning
Please make sure the power is disconnected before
cleaning the KM-112 unit. It, as well as the microphone, can be cleaned by using a soft cloth dampened with warm water. Dry the machine with a dry
cloth and let it air dry for 15 minutes. Please do not
use volatile gasoline or other chemicals to clean the
receiver or microphone.
Avoid Moisture, Water and Dust
• Do not place the mixer in a moist environment
or in an area where there might be an excessive
amount of dust build up (e.g., near a fan).
• If water or any liquid should get into the unit, turn
o the power and unplug the unit from the wall
outlet immediately. Consult your dealer or an authorized repair station. Using the unit in this state
may lead to re or electrical shock.
Avoid High Temperatures
• Do not expose the KM-112 to direct sunlight or
set near any heating device.
Notes on Installation
• Select a place where the unit will be level, dry and
neither too cold nor hot.
• Do not use unit on its side or where it will be subject to vibrations (e.g., near speakers).
• Leave sucient distance between the TV and unit.
• Do not leave heavy objects on top of unit.
Preventing Malfunctions of the Unit
• No parts in this unit are user-serviceable. If the
unit no longer functions, unplug the unit from
the wall outlet and contact your dealer for service
options.
• Never block the vents on the unit. Vents are used
to circulate air and keep the temperature of the
device down. Blocking the vents may result in
damage of the unit.
singers using the 1/4-inch microphone style jacks
on the front panel.
3. Two XLR microphone inputs on rear. You can use
two XLR inputs to plug in mics, guitars, etc.
4. 3D sound processor. Advance digital sound enhancement technology improves the full range of
audio frequencies to ne-tune the sound of your
musical output. It enables users to enjoy a more
natural and comfortable sound.
5. Microphone treble and bass control. You can
adjust the level of high and low frequencies to the
microphone channels.
6. Microphone echo control. You can adjust the
digital echo eect applied to the microphone
channels.
7. Individual microphone volume control. Adjust
each microphone volume individually.
8. Multiplex. With Multiplex karaoke media, lead
vocals and music are recorded in separate left and
right stereo channels. You can select channels
with the Multiplex switch on the front panel to
cancel the guide vocals.
9. Audio line in. e audio line in is for connecting the sound output of a computer, MP3 player,
MP4 player or DVD player to the KM-112 for
audio output.
10. USB audio in and out. e USB port is for connecting the KM-112 to a computer via USB port
for both audio in and out. See page 4, “Recording
and Playback with Computer” for more information
on using USB.
11. One audio line out. is output is for connecting
the KM-112 to the input of an amplier, receiver
or TV audio input.
12. Mini-jack audio out. is front panel jack can be
used to plug into your headphones or speakers for
listening or monitoring while recording through
the USB interface.
Review of KM-112 Features
1. Transform any DVD/MP3 player or PC into a
karaoke machine. Add vocals to any music source
for karaoke entertainment. Use USB cable to
connect to your PC to become a karaoke/media
center and computer audio interface for recording
and playback.
2. Two 1/4” microphone inputs. Have up to two
Please see pages 7-8 for complete safety instructions and
FCC advisories regarding the KM-112.
2
Front Panel Operation and Functions
1. Power switch: Use this to turn the main power
on and o. Note: Always turn o the main power
and set all volume controls to zero before making
any audio connections.
2. Front panel microphone inputs: Use these 1/4inch jack type microphone input connectors to
connect microphones to Microphone Channels 1
and 2 via the front panel.
3. Individual microphone volume controls: Use
these to set the volume of each microphone in
relation to the other microphones.
4. Headphone/alternate speaker output: Plug in
your headphones or alternate (powered) speakers
here.
6. Microphone tone and echo controls: Use the
bass and treble tone controls to adjust the tone of
both microphone channels at once. Use the echo
control to adjust the level of the echo eect in
relation to the volume of the microphone(s).
7. Music volume control: Use this control to adjust
the playback volume of the music. Note: is
control does not adjust volume of the microphones or eects.
8. Multiplex switch: Choose L, R or Stereo with
this switch. is allows you to cancel the channel
with the guide vocals.
9. Computer/audio button: Use this button to select
whether you want to use the KM-112 as an audio
mixer (Audio) or as a USB interface (USB) to
record vocals on your Windows computer.
5. Headphone volume control: Control the volume
of the headphones or alternate speakers here.
10. 3D sound processor button: Use this to turn the
3D sound enhancer on/o.
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Technical Specications
• Size: 11.5 (L) x 7.75 (W ) x 1.75 (H) in inches,
• 3.2 lbs. net weight
• PC to KM-112 USB connection
• KM-112 has an integrated C-Media CM106
Audio I/O Controller
• (2) 1/4-inch audio inputs (unbalanced, front)
• (2) XLR audio inputs (balanced, rear)
• RCA audio inputs (2, rear)
• RCA audio outputs (2, rear)
• Mini-jack audio out (1, front)
• Voltage: Switchable 115~230V (rear)
• Adheres to FCC regulations (see page 7)
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