Neodymium Loudspeakers
SR-121NE
SKU SR-121NE
21" Neodymium Loudspeaker
900 W ProgramRated Power
98 dB SPLSensitivity
—Max SPL
A high-excursion 21" neodymium subwoofer driver for the largest touring bass cabinets, where every kilogram saved on the motor assembly is a kilogram of cabinet bracing or amplifier headroom gained instead.
Key Highlights
21" high-excursion cone for maximum low-end outputNeodymium motor keeps total driver weight manageable for riggingTriple-roll surround for extended linear excursionRecommended for tuned bass-reflex enclosures 150+ litres
BIS CertifiedEst. 1992Made in India
Sold direct from Andhra Pradesh. Bulk & OEM pricing available.
Full specs ↓Technical Specifications
Full Spec Sheet
In Stock
Nominal Diameter21" (530 mm)
Magnet TypeNeodymium
Frame TypeCast aluminium
Voice Coil Diameter100 mm
Power Handling — Program900 W
Power Handling — RMS450 W
Frequency Response28 Hz – 1.5 kHz
Sensitivity (1W/1m)98 dB SPL
Nominal Impedance4 Ω
Net Weight8.1 kg
All specifications from our QC lab. Contact us for test reports and certification numbers.