Alto SXA28P Professional 2-Way Line Array Loudspeaker

Alto SXA28P Professional 2-Way Line Array Loudspeaker

Alto SXA28P Professional 2-Way Line Array Loudspeaker

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  • 1Description

The Alto SXA28P Professional 2-Way Line Array Loudspeaker features a dual 8" low/mid drivers, and dual 1" high frequency drivers. When combined with the SXA18P 18" vented subwoofer, these loudspeakers are engineered to deliver a multiple array of configuration options, allowing you to easily incorporate up to four SXA28P drivers as needed for a variety of environments. The loudspeaker is also built to endure the rigors of the road, while maintaining a sound that is loud, clean and uncolored. 

The loudspeaker is optimized for short- or medium-throw, and can be installed in an indoor or outdoor space as a stereo system, mono center, or delay tower. With the ability to handle 400W (continuous), 800W (program) or 1600 W (peak), the loudspeaker is suitable for high-powered amps and offers clean, uncolored sound for any venue. Capable of delivering 125 dB peak SPL, the loudspeaker produces optimal sonic clarity. 

It has a rugged cabinet made of 18mm calibrated plywood that can handle the abuse that touring systems endure. It also features a sleek black finish and perforated metal grill. The loudspeaker delivers flexible, powerful sound, while combining quick set up with a coverage of 7.5° Vertical and 100° Horizontal and a maximum tilt capability of +20 to -20°. It is a versatile loudspeaker that can be used with live sound systems, touring rigs, arenas, stadiums, as well as houses of worship.

1600W peak power rating
Dual 8" LF drivers
Dual 1" HF drivers
Quick and easy to set up for a wide variety of configurations
Optimized for short- or medium-throw, indoors or out
Maximum SPL @ 1m: 125dB Peak (Passive Mode)
Ideal for fixed installations or rentals
Operating Frequency Range (-10 dB): 65 Hz to 20 kHz
Frequency Response (-3 dB): 77 Hz to 18 kHz
SPL Maximum @ 1 m: 125 dB Peak (Passive Mode), 122 dB SPL Continuous (Passive Mode)
Power Rating Passive: AES Standard

1600 W peak / 800 W program / 400 W continuous
Bi-amp low: 1600 W peak / 800 W program / 400 W continuous
Bi-amp high: 300 W peak / 150 W program / 75 W continuous


Coverage Horizontal: 100° nominal
Vertical: 7.5° per enclosure
Transducer LF: 2 × 8.0" (20.3 cm) Mid-Bass, 2.0" (5.0 cm) high-power voice coil, ferrite magnet, weather resistant cone. Impedance 16Ω each
HF: 2 × 1.4" (3.5 cm) Titanium diaphragm, neodymium magnet, 1.0" (2.5 cm) exit Impedance 16Ω
Sensitivity System 1 W @ 1 m: 97 dB SPL (passive)
Bi-Amp Low 97 dB (2 device parallel)
Bi-Amp High 107 dB (2 device parallel)
Nominal Impedance Passive: 8Ω
Bi-Amp Low: 8Ω (2 device parallel)
Bi-Amp High: 8Ω (2 device parallel)
Mounting Integrated hardware for suspension in Line Array, dual 36 mm diameter pole socket, two handles
Input Connectors 2 Speakon NL-4 type
Dimensions (W x L x H) 10.7 x 24.4 x 16.7" (27.0 x 62.0 x 42.4 cm)
Weight 48.1 lb (21.8 kg)
Packaging Info
Package Weight 56.6 lb
Box Dimensions (LxWxH) 28.0 x 21.0 x 15.0"
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