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Delivering 2 x 1600 W continuous (up to 2 x 6400 W peak) and a maximum SPL of 147 dB at 1 m, XLA-221SUB sets a new benchmark for infrabass performance. Perfect for Inverted Stack Gradient Array (iSGA) configurations, it provides enhanced low-frequency directionality when paired with the XLA-118SUB, combining overwhelming depth with punch and precision.

Technical Specifications

Model Name

XLA-221SUB

System Type

Subwoofer (Passive)

Configuration

Dual 21” Driver, Ported Subwoofer

Frequency Response (+/-3 dB)

55 Hz – 100 Hz

Frequency Range (-10 dB)

18 Hz – 125 Hz

Sensitivity (2.83 v / 1 m)

106 dB*

Calculated Maximum SPL @1 m

147 dB*

System Peak SPL

153 dB**

System Rated Impedance

2 x 4 Ω

* level at 1m under half space conditions using pink noise with crest factor 2, with dedicated preset
** level at 1m under half space conditions using pink noise with crest factor 4, with dedicated preset

Low Frequency Transducer

Size

2 x 21”

Voice Coil Size 

101.6 mm / 4.0” QUATRO (4 layers)

LF Frame Material

Cast Aluminium

Special Features

Aluminium demodulating ring

Waterproof LF cone

 Maltcross® TCS 

iSGA configurable

FLP - Flared Laminar Port

Driver Brand

BEYMA

Low Frequency Transducer Power (AES2)

System Continuous Power

2 x 1600 W

System Programme Power

2 x 3200 W

System Peak Power

2 x 6400 W

Crossover frequency

100 Hz

Recommended HPF = BW 18dB/oct.

20 Hz

Construction

Input Connector

3 x speakON NL4 (2 rear, 1 front)

Rigging & Hardware

N/A

Vertical Splay Angle Range

N/A

Stand Pole

M20 Pole Mount

Handles

4 (8 pcs) + 2 (4 pcs) sides

Enclosure

Rectangular

Enclosure Material

18 mm Plywood

Finish

Tough-Tone Finish

Colour

Black

Grille Material & Finish

Powder coated perforated steel

Dimensions – (Unpacked)

Height

600mm / 23.6”

Width

1345 mm / 52.95”

Depth

850 mm / 33.5”

Dimensions – (Packed)

Height

685 mm / 26.97”

Width

1420 mm / 55.9”

Depth

900 mm / 35.43”

Weight

Net Weight (kg / lbs)

114 kg / 251.3 lbs

Gross Weight (kg / lbs)

133 kg / 293.2 lbs