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The Spectrum PA from Alto Professional is a portable 2-way, 200W bi-amplified PA system with wireless Bluetooth convenience and built-in dual LED lighting. It has three 6 ½" woofers and a 1" high-frequency compression driver, and can be utilized in small-to medium-sized events where top-quality Karaoke/PA sound and lighting effects are needed such as for weddings, coffee houses, recitals, and more.
It features a frequency range from 65 Hz to 20 kHz, and the internal amplifier is divided up so 130W goes to the woofers, and 70W goes to the tweeter. Furthermore, the built-in 5-mode LED lighting array sets Spectrum PA apart from everything else. There are 38 tri-color (red-green-blue) high-intensity LEDs with a control knob for color selection, and RGB preview, and also a brightness knob.
Audio connections include the following: Two combination input XLR-1/4", a 1/8" TRS stereo input, an RCA (line-level) stereo input pair; an XLR link output; and an AC power connection. Alto professional's Spectrum PA is lightweight (23 lbs), easily transportable, and easy-to-set up.
Portable PA System
Spectrum PA is a 2-way 200-watt bi-amplified system housed in a very trim enclosure measuring just 8.4 x 29.2 x 10.1"
Woofers & Tweeters
The drive units are three 6 ½" woofers and a 1" high-frequency compression driver, which span the full musical frequency range from 65 Hz - 20 kHz
LED Lighting Array
The built-in dual LED arrays provide a brilliant light show
Five Customizable Lighting Modes
Mood, Meter, Mix, Pulse, and Party
Custom Color Control
Easily adjust the desired mix of Red, Green, and Blue lighting
In the Box
Alto Spectrum Portable PA System with Dual LED lighting
Limited 1-Year Warranty
Table of Contents
2-way bi-amplified powered loudspeaker with sound-reactive LED lights
Bi-amplified; 200 W Peak: 130 W low-frequencies + 70 W high-frequencies
1" (25.4 mm) neodymium compression driver
3 x 6.5" (165 mm) with 1" (25.4 mm) voice coil
65 Hz to 20 kHz
1.8 kHz, electronic
Type: 38 tri-color (red-green-blue) high-intensity LEDs; 12 W total
5 Modes: Mood, Meter, Mix, Pulse, and Party
Mode selection knob
Color selection knob with RGB preview LED
2 x XLR-1/4" (6.3 mm) TRS combination inputs (channels 1 & 2)
1/8" (3.5 mm) TRS/stereo input (channel 3)
RCA (line-level) stereo input pair (channel 3)
XLR link output
IEC AC power connection
2-band (LF, HF) for channels 1&2
A2DP streaming audio with full stereo link when using 2 Spectrum PA units
Trapezoidal wood cabinet MDF enclosure with vinyl wrap & black metal protective corners
Molded, ergonomically designed plastic handle
4 rubber feet, 1.4" (36 mm) pole socket for stand mounting