Specifications

USB-80 Mixer Amplifier Owners Manual
2
SAFETY INSTRUCTIONS
Please be sure to read all the instructions carefully before using this product.
As several safety messages are printed in this instruction sheet, please be sure to observe these
as they are important.
It is recommended that this manual be kept for future reference.
Do not store or use this device in dusty or humid locations, or in direct exposure to sunlight.
Take care to protect the power cord from damage, pinching or being stepped on, primarily where
the cord attaches to the amplifier and at the plug.
Do not defeat the polarized or grounding feature of the power cord plug. If the plug will not fit in
your outlet, consult a licensed electrician.
Disconnect the power cord during electrical storms, or when the product will be unused for long
periods.
Servicing is highly recommended if product is damaged in any way, when the power cord is
damaged, when liquid has been spilled or objects have fallen into the device. Servicing will also
be required when this device has been exposed to rain, does not operate normally, or has been
subject to high level of physical shock.
Servicing should be done only by qualified personnel.
The lightning flash with arrow within a triangle indicates that parts
inside are a risk of electrical shock.
The exclamation point within a triangle indicates that important
operation or service instructions are located within the products
accompanying paperwork.
FEATURES
Built in USB and SD/MMC card reader with MP
3
player
Infrared remote control of all MP
3
player options
LCD Display of audio track being played
Sequential, programmable and random track playing
Single Channel (monaural) 40 Watt RMS output amplifier
Speaker outputs for 4Ω, 8Ω and 16Ω speaker systems, plus 70V for distributed systems
Fixed line level REC output
Four input mixer with three microphone and one line level input
Separate level control for each mixer input
Master bass and treble controls
110VAC or 12VDC operation
APPLICATIONS
This amplifier is suitable for background music and paging use in small retail, commercial and industrial
environments. The inclusion of an MP
3
player with USB and SD/MMC card reader allows easy addition of
hours of music to any environment. The reader will directly read MP
3
and WMA files from standard thumb
drives and flash memory. Files may be played in the order they appear on the drive, in a preprogrammed
order, or randomly.