Line ArrayDiscontinued
KROSS 21SUB
Low-frequency support for KROSS arrays.
A passive 21-inch subwoofer with 1600 W RMS power handling and bass extension to 32 Hz. It supports flown or ground-stacked configurations.
- Low-frequency extension down to 32 Hz
- 1600 W RMS / 6400 W peak handling
- Flyable and ground-stackable configurations
- Cardioid operation with 3+ subs
- Compact, installation-friendly footprint
This model is being discontinued.Support and spare parts remain available. For new projects, we recommend the KREST 18S.
Recommended replacement
For new projects, choose the KREST 18S
KROSS 21SUB is being discontinued. For new projects, we recommend the KREST 18S.
NewKREST 18S
Passive flyable line array subwoofer
View KREST 18STechnical data
Specifications
Electroacoustic
- Transducer
- 1 × 21″ LF
- Frequency Response
- 32 Hz – 200 Hz
- Sensitivity
- 100 dB
- Maximum SPL
- 139 dB
- Power (RMS/Peak)
- 1600 W / 6400 W
- Impedance
- 8 Ω
- Connectors
- 2 × NL4 SpeakON
Design
- Type
- Passive flyable subwoofer (ported)
- Enclosure
- Multi-layer birch plywood
- Protection
- Ball-proof reinforced grille
- Finish
- Black, Custom RAL colours
Physical
- Dimensions (W×D×H)
- 700 × 808 × 608 mm
- Weight
- 69 kg
21″ flyable subwoofer for KROSS arrays
KROSS 21SUB is a 21″ flyable subwoofer. Our team can help with system design, product selection and a demonstration.
