Measuring 600mm high x 370mm wide x 317mm deep and weighing 18Kg, the ePS12 combines a high excursion 12-inch LF driver with a 1.7-inch voice coil HF driver in a trapezoidal cabinet constructed in a closed acoustic design from 15mm baltic birch plywood. Achieving a peak SPL of 133dB with a frequency range of 60Hz to 20kHz, the ePS12 features a rotatable asymmetric horn, convenient rigging points on the cabinet top, bottom and back, and two pairs of In/Out connectors on pitch screw terminal blocks with an IP cover.

Key Features

  • High power (133 dB peak) point source loudspeaker for fixed installation
  • Lightweight (18kg / 40lbs) design
  • Robust 15 mm Birch plywood enclosure
  • NEXO’s Asymmetrical Dispersion Constant Directivity horn design (”PS” Horn), rotatable
  • IP55 protection level
  • Comprehensive range of accessories for deploying in a wide variety of fixed installation applications
  • Black finish with custom RAL colours available


Frequency Response @-6 dB60 Hz to 20 kHz
Sensitivity 1W@1m103 dB SPL Nominal
Peak SPL@1m133 dB
Vertical Dispersion+25°/-30°
Horizontal Dispersion50° to 100° asymmetrical
Crossover Frequency60 Hz, 85 Hz, 120 Hz
Nominal Impedance8 Ω
Recommended Power600 to 950 Watts / 8 Ohms


Number of ways2 way passive
LF Component12” 8 Ohms long excursion neodymium driver
HF Component1.7” diaphragm 8 Ohms HF driver on an Asymmetrical Dispersion (“PS”) horn
Connectors2 pairs (In/Out) of 7.62 mm pitch screw terminal blocks (+/- poles)
Compatible cables sectionCables from 1.5 mm² to 3.3 mm² (AWG 12 to 15) copper section
Compatible cables outside diameterCable with maximum outside diameter of 11 mm
Rigging points3x M6 - 70 mm pitch rigging points (back) + 2x extra M6 and 1x M10 (top/bot)
Material15 mm thick birch plywood body and galvanized grill
FinishBlack structural paint (RAL9005 or Custom RAL upon request)
Front FinishUV & Fire resistant acoustic fabric
Height x Width x Depth600mm x 370mm x 317mm (23.6” x 14.6” x 12.5”)
Weight: Net18 kg (40 lbs)
Operating temperature range0°C - 40 °C (32° F - 104° F)
Storage temperature range-20 °C - 60 °C (-4 ° F - 140° F)
IP RatingIP55
System Operation
Recommended powering solutionNXAMP4x1mk2 Powered TDcontroller: 1 x ePS12 per channel
Optional powering solutionsDTDcontroller + DTDAMP4x0.7 : 1 x ePS12 per bridged channel
DTDcontroller + DTDAMP4x1.3 : Up to 2 x ePS12 per channel
NXAMP4x2mk2 Powered TDcontroller: Up to 4 x ePS12 per channel
NXAMP4x4mk2 Powered TDcontroller: Up to 4 x ePS12 per channel