ZR 15" Subwoofer 750 Watts Rms DVC 2-Ohm Automotive Amplifiers ) Built using the beauty

) Built using the beauty and longevity of heavy duty brushed stainless steel and designed to match the aesthetics and quality of DoorBird's devices as well as the end customer's expectation for top quality

AtlasIED model LBH-100 is a specially designed siren speaker designed to be used in mobile emergency audible warning systems

Uniform cardioid polar pattern for maximum isolation

SolarMAX® IPS displays offer exceptional clarity and ultra-wide viewing angles in any light conditions

ZR 15" Subwoofer 750 Watts Rms DVC 2-Ohm Automotive Amplifiers ) Built using the beautyDS18 ZR15. 2D 15" Car Subwoofer with 1500 Watts 2 Ohm DVC The ZR subline is an amazing entry level subwoofer that both handles great power and gives you smooth clean bass. These subs work great in both sealed and ported boxes giving you many options for placement in any vehicle. This 15 inch model comes in both dual 2 and dual 4 ohms configurations giving you many options to perfectly match your amplifiers optimal impedance. This model comes with a 2.