P/N. 10424860



Powered ultra low frequency subwoofer system
2 x 3400 W Class D amplifier
DASnet™ remote monitoring and control capable
Twin 21″ Neodymium loudspeakers with 6″ voice coils
Solid 21 mm Birch plywood construction
Impressive 60 mm peak-to-peak excursion


House of worship
Theatres, auditoria and performing arts centers
Live music clubs
Corporate A/V
Live sound touring/Rental services

The UX-221A make use of two 21» loudspeakers with impressive specifications. The 21UXN loudspeakers are equipped with 6» voice coils, a remarkable 60 mm peak to peak excursion, and powerful neodymium magnet assemblies. Efficient ventilation of the voice coil gap provides for a high thermal rating, and reduced power compression.

The UX-221A amplifier offers 2 x 3400 W and incorporates the latest in Class D power amplification. A high efficiency, low consumption universal power supply with Power Factor-Correction (PFC) allows for fail safe use worldwide. State of the art electronic design such as the fixed frequency switch mode output stage provides for the highest grade of audio accuracy. A comprehensive set of »smart» protections include thermal, over current, short circuit and overload on the output, clip limiter and high frequency protection keeping the amp and acoustic components safe.

The enclosure is constructed using  21 mm Birch plywood and makes use of extensive bracing to eliminate resonances. The woodwork is finished with the robust DAS ISO-flex protective coating for durability.  A dolly platform with locking casters denominated the PL 221S is offered to stack and move the systems. Protection during transport is provided by the optional covers available from DAS.
Frequency Range (-10 dB)28 Hz – 125 Hz
Maximum Peak SPL at 1 m145 dB
Electronics and Connectors
Nominal Amplifier Power (continuous)2 x 3400 W
Nominal Amplifier Power (peak)2 x 6800 W
Input TypeBalanced
Input Impeadance20 kohms
Input Sensitivity4.9 V (+16 dBu)
Audio Signal Input Connector1 x Female XLR
Audio Signal Loop Thru Connector1 x Male XLR
Audio/Data Input ConnectoretherCON
Audio + Data Loop Thru ConnectoretherCON
Current Draw 230 V / 115 V9.2 A/18.4 A
Enclosure ConstructionBirch Plywood
Enclosure GeometryRectangular
RiggingM10 Rigging Points
FinishISO-flex Paint
Dimensions ( H x W x D )615 x 1.195 x 1.100 mm
24,2 x 47,0 x 43,3 in
Net Weight133,0 kg ( 293,3 lb )
LF Driver21UXN
Carton Dimensions ( H x W x D )800 x 1.260 x 1.200 mm
31,5 x 49,6 x 47,2 in
Shipping Weight142,5 kg ( 314,1 lb )
Title Format Size
Data Sheet
HT_UX221A_00.pdf PDF 602 Kb
User Manual
UM_DASnet115_EN.pdf PDF 15.94 Mb
UM_UX1_01_EN.pdf PDF 15.2 Mb
Modeling Data ZIP 309 Kb
Software ZIP 234.36 Mb ZIP 2.09 Mb
Line Drawing
CAD_2D_UX221A.dwg DWG 1.04 Mb
LD_2D_UX221A.svg SVG 189 Kb
LD_3D_UX221_SKETCHUP_01.skp SKP 3.65 Mb
CAT_DAS_2020_FULL_LINE_7_2.pdf PDF 13.19 Mb
FM137BI1655_10101020_IMD.png ANL-2Set of 4 M10x40 forged steel eyebolts+4 carabiners, for flying
FM231BI1827_20502110_IMD.png EC-090.9m CAT5e etherCON (data+audio) DASnet cable
FM232BI1827_20502120_IMD.png EC-22m CAT5e etherCON (data+audio) DASnet cable
FM233BI2388_20502130_IMD.png EC-2020m CAT7 etherCON (data+audio) DASnet cable
FM234BI2388_20502140_IMD.png EC-3030m CAT7 etherCON (data+audio) DASnet cable
FM235BI1828_20502080_IMD.png ECP-2020m Hybrid CAT7 etherCON (data+audio)+powerCON, DASnet cable
FM236BI1828_20502060_IMD.png ECP-33m Hybrid CAT7 etherCON (data+audio)+powerCON, DASnet cable
FM237BI1828_20502070_IMD.png ECP-3030m Hybrid CAT7 etherCON (data+audio)+powerCON, DASnet cable
FM238BI2758_20502090_IMD.png ECPK-11m Hybrid CAT7 etherCON (data+audio)+powerCON TRUE 1, DASnet cable
FM813BI1829_20502180_IMD.png ECPK-2020m Hybrid CAT7 etherCON (data+audio)+powerCON TRUE 1, DASnet cable
FM239BI1829_20502100_IMD.png ECPK-55m Hybrid CAT7 etherCON (data+audio)+powerCON TRUE 1, DASnet cable
FM246BI1911_10103690_IMD.png FUN-2-UX221Protective transport cover for 2 u. UX-221/UX-221A on PL-221S, black
FM292BI1872_10113210_IMD.png PL-221SSteel transport dolly for UX-221/UX-221A (max 3 u.), black
FM298BI1830_20502150_IMD.png PLINK1-090.9m powerCON TRUE1 cable
FM303BI1831_20502210_IMD.png PWCONLINK-090.9m powerCON NAC3FCA+NAC3FCB DASnet cable
FM1352BI1727_20208810_IMD.png 21UXNSub-low frequency 21″ speaker, 6″ VCD, neodymium magnet, 2000 W AES, 8 ohm
FM408BI1803_30008115_IMD.png DIGIMOD-3000Class D switching power supply PowerSoft amplifier, 2×1700 W @ 4 ohm
FM462BI2193_20208480_IMD.png GM-21UXNRecone kit for 21UXN speaker
FM897BI1785_20406561_IMD.png KIT-DSP-UX-221ASpare DSP kit for UX-221A
FM530BI1640_30006396_IMD.png MP-UX-221AComplete power module for UX-221A