Microlab H21BT [4/4] Technical information
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Microlab H21BT [4/4] Technical information

Microlab H21BT [4/4] Technical information
iPhone, iPad, or iPod
go to SETTINGS > GENERAL > enable BLUETOOTH > select “H21”
Android Phone
go to SETTINGS > WIRELESS & NETWORKS > enable BLUETOOTH > select “H21”
Others
read the instruction manual included with your device (enter the pairing code “0000" if prompted)
(To remember your device profile: User have to disconnect the H21 once during initial use)
9. Change the Bluetooth playback device, simply turn off the Bluetooth signal in the first
playback device. Depress the playback button at the top panel for several seconds to
disconnect the previous Bluetooth device. The system will restart the pairing sequence again.
Connections (Wired Audio)
1. Connect the playback device to the RCA input interfaces with the included cable. These are
located at the rear panel of the right speaker.
2. Press the source button and the Line IN LED lit up. The system is now ready to receive audio via
wired connection from your media
Frequently Asked Questions (FAQ)
Questions Answers
Check the media source own volume level, adjust to
about mid volume range and listen.
Adjust speaker’s own volume level to mid range and
listen
Check if the audio source is properly connected or
media player’s playback has started
Ensure volume is correctly set
Correct digital music format is used, e.g., Mp3
Ensure playback track is of proper and higher bit rate,
too much compression will increase noise level
Static sound heard
Low volume output
No Sound
Technical Information
AMPLIFIER
Speakers
Interfaces
Total Power: 36 Watt RMS
Power distribution: 18 Watt x 2
Harmonic distortion: < 0.5 % 1 W 1 kHz
Frequency response: 50 Hz - 20 kHz
Signal/Noise ratio: > 75 dB
Separation: > 45 dB
Tweeter driver type: 1"
Tweeter impedance: 4 Ohm
Woofer driver type: 3.5"
Woofer impedance: 8 Ohm
Output: Terminal binding posts
Input: Bluetooth® 4.0, A2DP and AVRCP profiles, 2RCA
Connections
Operations
EN
6
EN
5
1. Volume dial can be rotated to increase or decrease the volume level with the blue LED blinking as
you turn. Once the level hit either range limits, the blue LED will pause.
2. Control buttons on the top panel can control the music playback directly from the Bluetooth device.
PLAY/PAUSE button can initiate playback or stop on the playback device. Fast Forward button will
skip to the next track, and Fast Backward for skipping to previous track. The remote control functions
work on Bluetooth devices supporting AVRCP profile only. Compatible with a) iOS 4.1 or later,
Android 1.5 or later, and Windows Mobile 5.0 or later systems.
3. USB charger port lets you charge your media player/phones via an USB type A interface. For
charging method, please refer to your media player instruction manual.
volume
© 2014 Microlab Electronics Co., Ltd All rights reserved.
Bluetooth®
LED lit up -
SOURCE button
depressed
turn on Bluetooth
& select “H21”
pair and connect
“H21”
H21
H21
Press & hold the
Pair/Play/Pause button
for about 3 seconds
80-H21-97-0001-01 2011-10-18
80-H21(ERP2)-97-0001-01 2013-01-05
80-H21(DA)-97-0001-01 2013-11-15 (ERP2 / NFC version)
80-H21(DA)-97-0001-01 2014-04-25 (for LiYun)
80-H21(DA)-97-0001-02 2014-05-29 (Change Paired LED to steady / for LiYun)

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