• STD218
STD218
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STD218

Category:

Subwoofer

Installation Specific High Performance Passive Subwoofer

• Drivers
2 x 18" neodymium
• Max SPL (Peak)
140dB
  • Commodity name： STD218
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Overview

 

STD218 is a high-performance subwoofer for ground-stacked applications. Featuring a bandpass horn enclosure and dual long-excursion 18" neodymium drivers, it delivers exceptional low-frequency output down to 35Hz with a peak SPL of 140dB. Perfect for large-scale sound reinforcement, STD218 integrates seamlessly with other systems in INFRA mode to extend frequency response. When arranged in cardioid arrays using multiples of three, it achieves precise low-frequency control while minimizing rearward sound radiation.

A rigid metal grille backed by acoustic foam provides front protection. The enclosure, crafted from multi-layer plywood with a durable finish, ensures robustness.

 

Specifications

 

Drivers2x18" (460mm) neodymium
Frequency Response (-5dB)35Hz~150Hz
Sensitivity (1M/1W)100dB
Max SPL134dB (continuous)/140dB (peak)
Rated Power (AMS)2400W
PEAK Power9600W
Impedance4Ω
Dimensions ( HxWxD )1160 x 590 x 920 mm

 

Dimensions

 

 

 

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