High power, self-powered Class-D front loaded sub cabinet 2x18"Previous page


High power, self-powered (Class D switch mode power supply) front loaded, sub-bass cabinet with two 18″ (4″ voice coil) low frequency neodymium transducers. DSP controlled with 3.000W amplification with PFC (Power Factor Correction), 139db SPL.

The BLX-218SWA is part of the Boxxline Pro Audio BLX Series and is the ideal solution for application where high precision is required. This sub-bass cabinet is the ideal combination where low frequency reinforcement is needed for the BLX-215A.

High power, front loaded, sub-bass cabinet with two 18″ (4” voice coil) low frequency neodymium transducers with nomex cones and suspension in direct radiation configuration. The transducers have ventilated voice coil and magnet circuit for improved heat dissipation. The system is powered with a total of 3.600W of class-D amplification and each cabinet has a DSP integrated. Other features include temperature sensor, fan speed control, inclinometer, Ethernet options and more.

The rugged, light weight (72Kg.) BLX-218SWA offers an exceptional power to size ratio, high damping factor and low distortion with a perfectly flat response from 35Hz to 125Hz.


Components2 x 18″ (4″ voice coil) neodymium, custom Nomex cone
Frequency Range30 Hz - 200 Hz
Frequency Response35 Hz - 125 Hz ± 3 dB
Max. SPL136dB / 139 dB peak
FormatBass reflex, Direct radiation
Coverage Angle360⁰ Single Unit
Power3.600 W Class D with switching power supply and PFC (Power factor Correction)
Processing56 bit Boxxline dspb-22
ControllTemperature sensor – Fan speed
Controll ConnectionsEthernet (OMS) optional / USB (DSP programming)
AC Power230V / 115V selectable. 50/60 Hz 5A
AC Connections16A Neutrik Powercon with link output
Material21mm Premium Birch Plywood
FinishHigh Resistant Water-Based Black Paint. Black Steel Grill With Acoustic Fabric Protection
Dimensions (HxWxD)1080 x 532 x 700 mm
Weight72 Kg


Technical Sheet BLX-218SWA0.98 MB - pdf
CARDIOID Configurations BLX-218SWA1.41 MB - pdf
More info

Related products