Ground Zero GZHW 8SPL-D2 FLAT subwoofer

The brand-new HYDROGEN series GZHW 8SPL-D2 FLAT subwoofer solves the problem of cramped installation space requiring a shallow enclosure for the subwoofer.

Equipped with a powerful motor and a huge voice coil known from the existing subwoofers of the Hydrogen SPL series, this moden handles power input of up to 800 Watts SPL


8″ high quality flat SPL subwoofer
Klippel® optimized
Sandwich paper cone
Durable U-shape rubber surround
Solid aluminum cast basket
50 mm / 2″ copper voice coil
4-layer copper voice coil
Push terminal

Enclosure recommendation:

Vented: 16 Liter netto
Port 1 x 70 mm / 1 x 2.76”
port length* 300 mm / 11.81”
frequency 37 Hz


Vented (small enclosure)
12 Liter netto / 0.424 cu.ft. net
Port 1 x 70 mm / 1 x 2.76” 300 mm / 11.81”
frequency 42 Hz