Back to Blog Guides January 6, 2023 What is Differential Reference™? Lonnie is here with a tech talk to discuss what the Differential Reference™ feature is on our top of the line products. What it means for these products and how it helps to deliver the cleanest and best performance possible to your system. Share Post Shop the Post XPA-DR3 Differential Reference™ Three-Channel Power Amplifier $2,699.00 XPA-DR2 Differential Reference™ Two-Channel Power Amplifier $2,199.00 Related Articles November 20, 2025 Best Audiophile Gifts 2025: Surround & Stereo Picks from ... Read November 14, 2025 Emotiva Plus Processor Wifi Setup Tutorial Read November 14, 2025 Emotiva Plus Processor Firmware Install Tutorial Read September 9, 2025 Ripewave Audio Compares the new RMC-1+ to the Original RMC-1 Read August 27, 2025 Unlock Your AVR’s Potential: Best Amp Upgrades for Home T... Read