The subwoofer unit, which is the DS sub, provides a punching, dynamic, surrounding bass. The very thick MDF enclosure, thanks to its rigid and stable structure, doesn€™t affect the acoustics. The rear slanted panel fulfils two important functions: it reduces back-wave reflections and eases the installation.

• Speaker size mm (in.)    300 (12)
• Power Handling - Peak W    1000
• Power Handling - Continuous W    250
• Impedance Ω    4
• Frequency response Hz    28 ÷ 300
• Sensitivity dB SPL    91
• Voice coil Ø mm (in.)    38 (1.5)
• Xmax mm    9
• X-mech mm (in.)    16 (0.63)
• Re Ω    3,3
• Fs Hz    32
• Vas l    70
• Qts    0,62
• Qes    0,71
• Qms    5,14
• Spl dB    91

• Hertz Dieci DBX 30.3 Subwoofers