SW Series
SW128 MKIII
Subwoofer
Touring subwoofer with two 18-inch B&C Speakers neodymium transducers.
View specifications
SW128 MKIII / Overview
Dual 18″ performance for large-format systems
SW128 MKIII combines 3400 W RMS of power, a 33 Hz – 90 Hz frequency range and 138 dB maximum SPL in a clearly defined SW Series configuration.
Quick overview
SW128 MKIII at a glance
3400 W RMS
Verified nominal power.
33 Hz – 90 Hz
Verified frequency range.
138 dB
Declared maximum SPL.
2 × 4 Ω
Nominal configuration.
Passive system
A low-frequency foundation for external amplification
The passive configuration lets the project use suitable external amplification and processing.
Power
3400 W RMSRange
33 Hz – 90 HzSPL
138 dBImpedance
2 × 4 ΩApplication
Where it fits SW128 MKIII
A low-frequency foundation for completing sound-reinforcement systems with output and format matched to the project.
- PA systems
- Live music
- Installations and events
Verified data
Technical specifications
Verified technical information for SW128 MKIII.
Electroacoustic characteristics
- Configuration
- Combined bass-reflex and bandpass design
- Components
- 2 × 18″ B&C Speakers neodymium, 4.5″ voice coil
- Nominal power
- 3400 W RMS
- Continuous power
- 6800 W
- Frequency range
- 33 Hz – 90 Hz
- Sensitivity (1 W / 1 m)
- 99.5 dB
- Maximum SPL
- 138 dB
- Maximum peak SPL
- 144 dB
- Nominal impedance
- 2 × 4 Ω
Construction and format
- Enclosure
- 18 mm birch plywood
- Connectors
- SpeakON NL4 with separate wiring for each transducer
- Dimensions (W × H × D)
- 930 × 545 × 840 mm
- Weight
- 81 kg
- Transport
- Locking wheels
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Park Audio Spain guidance
Do you need to integrate SW128 MKIII into your system?
We can help you assess the most suitable configuration for your project.
Talk to the team