Hertz SX 300D
SPL Show Series 12" dual 2-ohm voice coil component subwoofer — designed for SPL competition

Product highlights:

12" subwoofer with dual 2-ohm voice coils
pressed paper cone with high-density foam surround
4-layer aluminum voice coils
handles up to 600 watts continuous (2400 watts peak)
designed for SPL competition
frequency response: 34-800 Hz
sensitivity: 90.5 dB
top-mount depth: 6-7/8"
sealed box volume: 1 cu. ft
ported box volume: 1.2 cu. ft.
grille not included

Features & specs

Size 12 -inch
Impedance Other
Cone Material Pressed Paper
Surround Material High-Density Foam
Ideal Sealed Box Volume (cubic feet) 0.99
Ideal Ported Box Volume (cubic feet) 1.2
Port diameter (inches) 3.15
Port length (inches) 10.24
Free-Air No
Dual Voice Coil Yes
Sensitivity 91 dB at 1 watt
Frequency Response 28 - 700 Hz
Max RMS Power Handling 800
Peak Power Handling (Watts) 3200
Top Mount Depth (inches) 6 11/16
Bottom Mount Depth (inches) 7 1/4
Cutout Diameter or Length (inches) 11 3/16
Vas (liters) 20
Fs (Hz) 46
Qts 0.48
Xmax (millimeters) 14