Specification

General
Operation voltage: 12 V DC (9,6 – 16V)
Fuse: 10 А
Maximal output power 4 х 51 W
Speaker impedance: 4 - 8 Ohm
Frequency response: 20 Hz – 20 kHz
Display view angle: Vertical: 0° +30°, Horizontal: ±15°
AUX input (stereo): Front panel, 3,5 mm
Line out (RCA): 4-channel (2 pair)
Output level RCA: 1,5 V
Maximum current: 10 А
Sizes: (W x H х D): 180 х 95 х 52 mm

USB playback
Storage formats: USB, Micro SD
OWNER’S MANUAL
Music formats: FLAC, MP3, WAV, WMA, AAC
File system: FAT16, FAT32
USB/SD card: USB 2.0, USB 3.0, up to 64Gb
ID3 Tag English

FM radio
Radio storage: 18 FM
Frequency range FM: 87,5 – 108,0 MHz
Импеданс антенны:

AUX in
75 Оhm
AMH-320BT
Input level:
Connectors:
500 mV (Max 2 V)
mini Jack 3,5 mm AMH-330BT
Working temperature: 0°C +60°С AMH-350BT
Humidity: 45% - 80%

USB/SD/MP3/FM RECEIVER
All the pictures shown in the user manual is schematic and can be different.
Lifetime: 3 years.

WARNING!
www.aurael.ru PLEASE READ CAREFULLY BEFORE USING

Note: Technical data is subject to change without prior notify

©2020 AURA Electronics Inc. Все права защищены.
 Playback control from USB device and micro SD memory card.
Àâòîðñêèå ïðàâà
Insert a micro SD card into the slot on the device or connect USB device to the USB port. The playback
is a registered trademark. mode will automatically switch to the connected USB device or inserted Micro SD card.
All rights reserved. This document, in whole or in part, may not be reproduced or copied without
the prior written permission of the manufacturer. Note: If a Micro SD card is inserted and a USB device is connected at the same time, the playback mode
will switch to the media that was inserted last. Playback will start automatically from the first song on the
All brand and product names used in this document are trademarks or registered trademarks of media. For the most efficient system operation, wait until the device has finished reading information from
their respective companies. Trademarks and product names are used for editorial purposes only the media before taking any actions.
and for the benefit of such companies only.
Play/Pause
To temporarily stop playback, press the ►II button on the front panel of the device; press the button again
The manufacturer does not accept any responsibility for the use of this manual and decisions
to resume playback.
based on its use.
Song selection
Press the ►►I button to skip to the next song and press the I◄◄ button to play the previous song. The
In order to improve product quality, product specifications and features are subject to change
without notice. display will show the song number and related information.
Press 5 / -10 button on the front panel to go back 10 songs. Press the 6 / + 10 button to go forward 10
songs. The display will show in rotation the song number and related information.
Fast forward / reverse playback
www.aurael.ru To fast reverse or fast forward, press and hold the ►►I or I◄◄ button, respectively.
Scanning Songs on Media
Press the 2/INT button on the front panel of the device to scan all tracks on the media. The first 10
seconds of each song on the media will play in sequence. Press the button again to resume normal
The Directive WEEE 2012/19/EU on waste electrical and electronic equipment. playback.
Repeat
Waste electrical equipment should not be disposed of with your other household waste. Press the 3/RPT button on the front panel of the device in sequence to select the repeat play mode.
Please recycle it. Please contact your local authority for the required information.
Modes are selected in the following order: Song repeat / Directory repeat / Repeat off (depending on the
format of the media used).

Precautions

This user manual contains important safety advice and information on the correct use of the device. Please
follow all instructions in this manual carefully.

1. While installing the device, avoid places with high temperature, humidity, or dusty places.
2. Make sure that the device and especially its installation accessories are out of the reach of children.
3. Do not drop the device and make sure do not hit it, as this may damage it.
4. The manufacturer will not be held liable for any loss of data caused by device damage, repairs or any other
reason.
5. Do not disassemble the device yourself. This may void the warranty.
6. Do not use alcohol, solvents or gasoline for cleaning plastic parts and device. Use only dry soft cloth for
cleaning.

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 Basic operation Packaging content

Adjusting sound parameters The set of the device includes the following accessories intended for its installation/removal in a car.
Press SEL on the front panel to select sound adjustment options.
The parameters are selected in the following order: Volume - BASS (low frequencies) - TREBLE (high
frequencies) - BAL (left/right balance) - FAD (front/rear balance).
Rotate the volume knob on the front of the unit to adjust the selected parameter.
Removal keys 2
AUX IN
The AUX-IN jack on the front of the unit is for connecting an external audio device. If the connection is made
correctly, the audio signal of the external source will be played through the speakers of the car audio
system.
The volume level and sound parameters are adjusted on the head unit. Installation frame 1
Clock/Watch
Press the clk button (17) briefly to display the current time.
Press and hold this button until the clock time starts to blink, then you can short press buttons (10) and (2)
to adjust the time (hour/minute) accordingly.
Note: When the power is turned off, all settings are saved in the device memory. ISO cable 1
Disconnecting the vehicle battery or restarting the device with the Reset button will restore all parameters to
the factory settings.
If any of the preset equalizer (EQ) modes is selected, the BASS and TREBLE parameters are not adjustable. fig.1
If within a few seconds after the selection the parameter is not adjusted, the device will automatically exit the
configuration mode and return to the current operating mode. Installation

Bluetooth
If the car has a standard 1DIN hole for installing the head unit, use it for installation as described below.
1. Press the MODE button to select “BT” mode. “BT” symbol will blink on the screen.
2. Connect your phone to the radio using the “Bluetooth” menu of your mobile device.
3. If the connection is successful, the “BT” symbol on the screen of the radio will light up constantly.
4. In “BT” mode, you can listen to music from your phone via Bluetooth.
5. In “BT” mode, you can answer calls by pressing the button
Digital tuner control

Press the MODE button repeatedly to select the radio mode.

Selecting FM band 1DIN

Press BND/AMS button to select FM1/FM2/FM3

Manual/automatic setting
- Automatic tuning of radio stations:
To start automatic tuning of radio stations towards higher or lower frequency values, briefly press the ►►I
fig. 2
or I◄◄ button, respectively.
The radio will find the next strongest radio station in the current frequency range.
- Manual tuning of radio stations: Install the mounting sleeve into the 1DIN hole provided by the manufacturer. If the standard place is 2DIN,
Press and hold for 2 seconds. ►►I or I◄◄ button. use frame adapters
Press the ►►I or I◄◄ button repeatedly to step by step change the tuning frequency value up or down to
tune to the desired radio station in the current range. Use a screwdriver to pry out the metal tabs on the mounting cover to lock it in place.
- To save a radio station: Check electrical connections, ISO connector or individual wires (depending on the equipment of a
Select a range (if necessary).
particular car model). If necessary, use ISO adapters
In automatic or manual tuning mode, use the ►►I and I◄◄ buttons to tune to the desired radio station.
Press and hold the preset button (1-6) for at least two seconds. Connect the ISO connector to the device. Check the functionality of the system before fixing it in the
Using the automatic or manual tuning mode, the device can store up to 18 radio stations in the mounting box.
FM1/FM2/FM3 bands.
- To recall stored radio stations from memory: Insert the device into the mounting cover and push it inward until it clicks into place.
Select a range (if necessary).
Briefly press a preset tuning button (1-6) to tune in a stored station.
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 Connecting Unit control

1. Make sure your vehicle's onboard voltage is +12 volts with a negative value on the car body. 1 17 3 7 16 14
8
2. Remove the safety catch from the device before connecting the wires.
3. Connect the yellow wire to the +12 volts DC power circuit.
4. Connect the red wire to the ACC terminal of the ignition switch.
FM/USB/SD/MP3 PLAYER AMH-320BT
5. Connect the black wire to the metal part of the car body.
6. Connect the orange wire to the circuit where +12 volts appears when the dimensions are turned on. USB

7. Connect the rest of the wires as shown in Figure 3. AMH-320BT MicroSD

Note: each time the yellow wire is disconnected from the 12 volts power circuit, the device will revert to
factory settings.
LOUD

Models: AMH-320BT, AMH-330BT, AMH-350BT

18 10 2 4 5 6 9 11 12 13 19 20 15
ISO connector
Power and speaker connections
1 17 3 7 16 14
10 A RED YELLOW
ACC +12V DC +12V

предохранитель BLUE BLACK CLK

RCA rear – Left (white) remote wire
GROUND FM/USB/SD/MP3 PLAYER AMH-350BT
+12V
RCA front – Left (white)
RCA rear – Right (red) A4 Battery + 12V DC Front speakers USB
AMH-330BT
RCA front – Right (red) B3 Right channel + (grey)
A5 +12 V control wire for controlling an antenna with an electric drive
MicroSD
and remote turning on/off amplifiers or other active additional B4 Right channel – (grey-black) AMH-350BT
Radio antenna input devices. + 12V DC - connect to the remote turn-on input of the
B5 Left channel + (white)
amplifier or to the antenna motor control input (no more than 100 mA,
RES

AUX
12 V). B6 Left channel – (white-black)
BND/AMS MUTE
A6 Dimmer. Connection to vehicle lighting control. Rear speakers 5/-10 6/+10 LOUD EQ

A7 ACC + 12V DC wire - Connect to a power source that can be B1 Right channel + (purple)
turned on and off from the car ignition switch. B2 Right channel – (purple-black)
A8 Negative (ground) - connect to a metal part of the car body or B7 Left channel + (green)
connect to the negative terminal of the battery. B8 Left channel – (green-black)
18 10 2 4 5 6 9 8 11 12 13 19 20 15

рис. 3 Your device is ready to play FLAC files.

Unit control FLAC (Free Lossless Audio Codec) does not remove any information from the audio stream, thus achieving
the best possible playback quality.
1. Button on. / off power.
Basic operations
2. Fast forward / select next song / answer the call.
3. Volume control / select button (SEL). ON/OFF Power
4. Preset button 1 / play / pause button. Press the power button or volume control on the front panel to turn on the device.
5. Preset button 2 / Record scan button. Press and hold the power button to turn off the device.
6. Preset button 3 / Repeat button. When turned off, the volume level and the current radio setting will be saved in the device's memory.
7. LED display. Operating mode
8. Mute button. Press the MODE button to select the operating mode of the device. The modes are selected in the following
9. Button for selecting radio frequency range / autosearch of stations (Bnd / Ams). sequence: Radio -> MicroSD -> USB -> AUX IN -> BT MODE.
10. The button for fast reverse playback / select the previous track / hang up. USB or MicroSD mode can only be selected when a USB device is connected or a memory card is inserted.
11. Preset button 4 / Shuffle button. Volume
12. Preset button 5 / Down button 10 songs. Turn the front panel encoder to change the volume.
13. Preset button 6 / Up button 10 songs. Volume off/Mute
14. Slot for micro SD memory card. To mute the sound, briefly press (MUTE) on the front of the unit.
15. AUX-IN socket. Press the button again to restore the previous volume.
16. USB port. Adjusting sound parameters
17. Clock setting button. Press SEL on the front panel to select sound adjustment options.
18. Source selection. The parameters are selected in the following sequence: Volume -> BASS (bass) -> TREBLE (treble) -> BAL
19. Turn on LOUD (loudness). (left and right balance) -> FAD (front and rear balance).
20. EQ - turn on and select presets equalizer. Turn the volume knob (3) to adjust the selected parameter.
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