Sub 28 - Passive subwoofer

Sub 28 - Passive subwoofer
High efficiency

Powerful system in compact cabinet


Rigid heavy-duty enclosure 


Solution for different applications 


Own components for better performance

Sub 28 is a passive subwoofer based on highly effective 2 x 18'' drivers. The system serves as a great tool for different applications where a serious low-end support is needed, be that fixed installation or mobile sound set, with SPL peaking at 143 db and 2600W of nominal power.

Product description:

Passive subwoofer

Main features:

• 2600W nominal power

• Two 18” woofers with 4” voice coil

• Efficient vented box design

• 143 dB Max SPL

• M20 distance pole adapter

Type Passive subwoofer
Acoustical & Electrical data
Frequency response (-10dB) 30 - 220 Hz
Max SPL 1 143 dB
Sensitivity (1W/1m) 100 dB
LF Driver 2x18", 4" VC
Impedance 4 Ohm
Nominal power 2 2600 W
Connections and physical data
Connectors 2x NeutrikSpeakon
Dimensions (WxHxD) 530x1170x665 mm
Net weight 78 kg
Shipping weight 81 kg
Enclosure material Plywood; wear-resistant paint
Speaker protection Steel grill, acoustically transparent backing

1 pink noise, filtered according to AES 2 - 2012, crest factor 9 dB

2 based on transducer power measured according to AES 2 - 2012

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