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User Guide (English)
Introduction
Alto Professional's Black Series is a full line of elite speaker systems, each designed to
exacting standards with premium, purpose-matched components, wireless capability and
immense built-in power. Black Series speakers have been designed with one goal in mind:
satisfying the ears of your audience with the most gratifying and immersive sound experience
they've ever had. Both Black Series subwoofers—the Black 18sub and Black15sub—have
been crafted to thunder with finely tuned sound in a virtually limitless variety of applications:
from touring rigs to permanent installations and everything in between. And with 2400 watts of
peak power, each one comes equipped to thrill.
Key Features
2400 Watts peak Class D power (1200 Watts continuous)
Powerful 18” low-frequency, long-excursion driver
Stereo inputs: Mic/Line left channel, XLR right channel
Stereo XLR outputs with integrated DSP crossover
Specifically crafted, purpose-matched components for maximum efficiency and industry-
leading power
Adjustable level and polarity controls
Switch to turn off logo LED
Portable design with comfortable, custom-molded handles
18 mm hardwood plywood vented cabinet
Rugged, highly durable scratch-resistant finish
Extremely durable powder-coated steel speaker grille
Steel-reinforced rubber feet
Standard 35 mm pole socket
Designed and tuned in the U.S.A.
Box Contents
Black 18sub
Power Cord
User Guide
Safety & Warranty Manual
Support
For the latest information about this product (system requirements, compatibility information,
etc.) and product registration, visit altoprofessional.com/black18sub.
For additional product support, visit altoprofessional.com/support.
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