8" Subterranean Subwoofer, 4-ohm Impedance

Series: ST

Model: 81ST4

Water-tight, weather-proof design
Provides the perfect solution to integrated outdoor audio
Delivers deep powerful bass and a subdued visual effect, exposing only a small hooded port
Equipped with one of our proprietary aluminum cone woofers enclosed in a sealed aluminum enclosure with a heavy powder coat

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Tech Specs

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The 81ST4 is the second in our line of mini landscape subwoofers designed for local zone bass performance. It can be configured with 1 satellite speaker as a mono channel, 2 satellite speakers as a 2.1 stereo or with multiple satellite speakers in small patio areas. James’ subterranean subwoofer’s direct burial, 8” compression band pass design creates unrivaled low end frequency response. External hooded port, aircraft/marine grade aluminum enclosure and stainless steel hardware provide for increased protection in extreme weather.

Water-tight, weather-proof design
Provides the perfect solution to integrated outdoor audio
Delivers deep powerful bass and a subdued visual effect, exposing only a small hooded port
Equipped with one of our proprietary aluminum cone woofers enclosed in a sealed aluminum enclosure with a heavy powder coat

Spec Sheet available - Yes

Height: 10.95 in
Depth: 10.50 in
Width: 10.50 in
Product Weight: 20 lbs
Color: Black
Speaker Diameter (Driver): 8 in
Maximum Frequency Response (Bandwidth): 180 Hz
Maximum Frequency Response (Bandwidth): 0.18 kHz
Minimum Frequency Response (Bandwidth): 28 Hz
Minimum Frequency Response (Bandwidth): 0.03 kHz
Finish: Black
Impedance: 4 ohm
Sensitivity: 87 dB

81ST4_Datasheet_20150811.pdf 665718 kb - Data Sheet

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