ZST822
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8" black poly mica cone

Oversized butyl rubber surround

Dual 2" high temperature kapton voice coils

30 oz. magnet

300 watts peak / 150 watts RMS

Frequency response: 36Hz-4.5kHz

Sensitivity: 85dB (1 watt/1 meter)

Impedance: 2 ohms (per coil)

Mounting depth: 4.06"

ZST1022/1044
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10" poly coated paper cone

Oversized foam surround

Dual 2" high temperature aluminum voice coils

40 oz. magnet x2

Plastic magnet cover

500 watts peak / 250 watts RMS

Frequency response: 32Hz-3kHz

Sensitivity: 87dB (1 watt/1 meter)

Impedance (per coil): 1022 - 2 ohms & 1044 - 4 ohms

Mounting depth: 5.63"

ZST1222/1244
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12" poly coated paper cone

Oversized foam surround

Dual 2" high temperature aluminum voice coils

40 oz. magnet x2

Plastic magnet cover

800 watts peak / 400 watts RMS

Frequency response: 28Hz-1.2kHz

Sensitivity: 89dB (1 watt/1 meter)

Impedance (per coil): 1222 - 2 ohms & 1244 - 4 ohms

Mounting depth: 6.06"

ZST1522/1544
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15" poly coated paper cone

Oversized foam surround

Dual 2½" high temperature aluminum voice coils

50 oz. magnet x2

Plastic magnet cover

1200 watts peak / 600 watts RMS

Frequency response: 25Hz-2kHz

Sensitivity: 91dB (1 watt/1 meter)

Impedance (per coil): 1522 - 2 ohms & 1544 - 4 ohms

Mounting depth: 7.40"