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Amplifiers Info Hub

Amplifier Documents

DMA-1240, DMA-1240ADS, and DMA-1275 - Owner's Manual

PLA-240ADS - Owner's Manual

SZA-1 Sub-Zone Amplifier - Owner's Manual

DA-2125 Amplifier - Owner's Manual

Amplifier Videos

Connecting 4 speakers to a zone

Speaker Wire Phase

DMA-1240ADS Overview

HTD Accessories compatible with HTD Amplifiers

BR2U Mounting Bracket

BR3U Mounting Bracket

Cable Connectors and Wallplates

Amplifier Blog Posts

Mistakes to avoid when preparing your home for a whole-house audio system.