RE Audio BT900.4M Owner's Manual
900.4M
4ch MARINE amplifier
Owner’s Manual
reaudio.com
1
THANK YOU
for purchasing RE AUDIO Bluetooth® “MARINE” amplifiers BT-900.4M.
With almost no sacrifice on sound quality, BT -900. 4M easily plays the music
from your mobile phone or tablet through Bluetooth
®
connection.
It provides users with intelligent, convenient, safe and stable both “in-car”
and “marine” multiple sound play solution. It is carefully designed for audio
enthusiasts persuing high-fidelity sound. It is built with strong output
power, perfect sound quality, and self protection. Whether listening to
classical music or the world's loudest rock music, it will bring you an
unprecedented music experience.
BT-900.4M features both remote turn on signal output and analog audio
output. T his makes it e as y to c o nne c t ot he r amplifier s and i t will acts as a
host amplif ier t o work wit h other amplif ie rs s ync hrono usly. The intelligent
engine monitoring fucntions can automatically shutdown amplfier to
protect battery from over discharge.
All RE AUDIO products are manufactured under strict quality control
system and we only use high quality components.
Proper installation will maximize the system’s overall performance. It is
recommended that you have our product installed by an authorized RE
AUDIO dealer. However, If you decide to in s t all it by your s e lf, please c ar e fully read through this manual to make your installation as easy and reliable
as possible.
If you need more information, your RE Audio Dealer will be glad to help. T o
locate a RE Audio Dealer n e ar you, go to our web s it e and l o ok f o r “Locate
Dealer”.
2
FEATURES
• Corrosion-resistant ABYC compliant connectors
• Meets or exceeds ASTM d4329 (UV exposure)
• Built-in professional Bluetooth
®
signal processor module
• Intelligent switching between Bluetooth
®
and RCA signal
• Automatic Bluetooth
®
on and off
• Bluetooth
®
audio signal and remote turn on signal can be
passed to other amplifers
• SMD dedicated audio chip device
• Full MOSFET DC-DC PWM power supply
• Overload, shortcircuit, overheat, under voltage protection
• ROHS compliant production technique
INSTALLATION
• Note that the amplifier generates heat so a well ventilated place is
necessary
• Use at least 8-gauge wire for power and ground connections
• Use at least 12-gauge wire for speaker connections
• Use at least 16-gauge wire for remote connection
• Keep the wire connections as short as possible in order to minimize
power loss and provide a higher audio out quality
• Use the shortest ground connection to the chassis of the vessel or vehicle
and make sure that the paint is removed at the connection point
• Connect the remote input to the remote/antenna output of the head unit
• Mount the fuse holder within 200mm(8”) of the vessel’s or vehicle’s
battery. Use a fuse equal to that specified for your amplifier if a large,
single +12V line is run which feeds more than one amplifier add up all
required fuse ratings and use the total rating for the fuse
• Connect the speaker to the amplifier observing the correct phasing.
• Make sure that none of the speaker connections can touch the chassis of
the vessel or vehicle
• Connect the RCA inputs to the appropriate signal source using only the
highest quality RCA cables
• Make sure that the RCA and speaker cables do not run parallel to the
+12V wiring
3
INSTALLATION (continued)
1. Choose a flat, well-ventilated place to install amplifier.
2. Fix the amplifier using included screws as shown in Figure 1.
[Figure 1]
3. Each end c ap has 5 mounting pin s that matc h 5 holes o n the amplif ier.
Hold the en d cap by both ends an d pu s h it t owar d s t h e amplifier as s hown
in Figure 2.
[Figure 2]
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