ET218BA

High-Performance Subwoofer
SKU: PLU-ET218BA
Plus Audio ET218B : BA (Hero)
SKU: PLU-ET218BA

The ET218BA Subwoofer by Plus Audio is engineered to deliver deep, resonant bass, making it the perfect companion for the ET110L mid-high cabinet in high-performance sound reinforcement systems. Designed for demanding audio applications, this subwoofer features 2 x 18″ drivers with robust 4″ voice coils, ensuring powerful low-frequency output down to 35Hz (-10dB). With a maximum sound pressure level of 142dB, the ET218BA guarantees impactful bass performance that enhances any live event or installation.

Housed in a durable enclosure made from multilayer birch plywood, the ET218BA is built to withstand the rigors of professional use. Its black polyurethane paint finish, combined with a black steel grille and acoustic foam, offers both protection and a sleek, professional appearance.

The ET218BA is powered by an advanced Class-D amplifier, delivering 4 x1600W at 4Ω, and features a switching power supply with Power Factor Correction (PFC) for reliable performance across a range of voltage conditions (100V-240V, 50-60Hz). The amplifier provides enough capacity to power 4 additional ET110L mid-high cabinets. The integrated audio processor ensures precise sound reproduction, while factory presets allow for quick and easy setup in various configurations.

For seamless integration with the ET110L, the ET218BA offers versatile connectivity options, including full range XLR inputs and outputs, Neutrik NL4MP output connectors, and PowerCON input/output for reliable power delivery. Weighing 104kg with dimensions of 626 x 770 x 1100 mm (HxWxD), this subwoofer is designed for flexible integration into various sound system configurations.

When paired with the ET110L mid-high cabinets, the ET218BA forms part of a powerful, full-range audio system that delivers exceptional clarity, depth, and punch, ideal for small to medium scale events and installations.

  • Components 2x 18″
  • Built-in Class-D Amp
  • SPLmax 142dB
  • Weight 104.4kg
Frequency Response 35Hz ~ 150Hz (-10dB)
Sensitivity (1W / 1m) 104dB
Power Rating (AES) 1600W
Nominal Impedance 4Ω
Components 2 x 18″ driver with ferrite magnet
Maximum SPL 142dB
Dimensions (H x W x D) 626 x 770 x 1100 mm
Weight 104.4kg
Enclosure Multilayer Birch Plywood
Finish Black polyurethane paint
Grille Black steel grille with acoustic foam
Amplifier Type Class – D
Output Power 4x 1600W, 4Ω
Power Supply Universal, regulated switch mode
with PFC (power factor correction)
DSP Dante enabled (optional), 64bit multimode processing,
96kHz sample rate, 2 sec delay (input),
50ms (output), 2 inputs, 4 outputs.
AD/DA 24 bit / 96 KHz
THD+N < 0.05% (typical)
SNR 115 dB (A weighted)
Input /Output 2 x XLR-F Input, 2x XLR-M Link Out
2x Neutrik NL4MP
1+1-   HF: 2+2-
Output Connectors 1+1-
Socket 1x PowerCON input, 1x PowerCON output
Preset 6 Factory Presets, 100 Total