Frequency range
22Hz-200Hz in room response

Amplifier power
350 Watts RMS, 700 Watts maximum instantaneous power

Output
122dB maximum SPL in room response

Inputs
Stereo line level RCA, Wireless audio receiver

USB-C
5V1A (to power optional wireless receiver)

Enclosure type
Bass reflex, front vented

Low frequency driver
Nominal 275mm (11”) diameter doped paper cone driver, 50mm (2″) voice coil wound on high powered Kapton former, with vented magnet assembly

Power on/off
Signal sensing, 15 minute delay before switching to standby after no input signal

Phase select
0º to 180º continuously variable (relative to input signal)

Low pass filter
50Hz-200Hz or bypass

‍Dimensions
450mm high x 360mm wide x 410mm deep

Weight
18kg each

The Seismix 3 Mk8 delivers powerful, controlled bass for home theatre and high-performance audio systems. Designed for listeners who want scale and authority, it brings cinematic energy into dedicated media rooms and living spaces alike.

Driven by a 275mm long-throw woofer and a high-efficiency Class D amplifier module, the Seismix 3 Mk8 adds weight and definition where it matters, enhancing everything from music detail to the full impact of movie soundtracks.

Its front-firing, vented design ensures strong output and precise bass performance, making it an ideal for serious home entertainment systems.

Big bass impact
Delivers powerful, room-filling bass with clarity, control and authority.

Precision performance
Effortlessly produces seriously deep bass for both music and movies.

Three premium finishes
Choose from genuine timber veneer finishes or classic Black Woodgrain to complement your space.

Australian made
Krix has proudly engineered and manufactured speakers in Australia since 1974.

For the ultimate sound experience at home, play it through Krix.