KRK S10.4 Studio Monitor Subwoofer 10 Inch

2 x 400W Woofers (Front and Back)
Achieve Full-Range Sound with Nearfields
Free-Standing LF Extension Speaker
Works with The Ones Coaxial Nearfields

Powerful 15? woofer with 3? voicecoil generates smooth, detailed, deep LF response
Selectable 80 Hz, 100 Hz and 120 Hz crossover points are optimized for JBL IRX Series loudspeakers
Frequency response: 35 Hz ? 147 Hz (-10 dB)
Max SPL: 128 dB
Weight: 30KGs
Power rating: 1,300W
I/Os: 2 XLR Combo, 2 XLR out
Polarity switch optimizes system response
Lightweight, road-tested MDF cabinet
Ported enclosure enhances output and reduces woofer noise
Ergonomic handles make transport easy
Reinforced grille offers rugged protection without compromising acoustic performance
Built-in standard pole mount allows integration with IRX108BT, IRX112BT and other loudspeakers

The KRK S8.4 builds on the legacy of sonic accuracy and high performance. Delivering tight, accurate, and defined bass. While the highly efficient Class D power amplifiers increase transient response, control, and punch.