The bass is crazy! Not only that but this amp controls the sub very well and blew me away with the quality. I just had a diamond audio D6 amp 1500.1 go bad on me a couple of weeks ago and the Orion was my choice to replace it. As far as a bass amp, the Orion is the better choice. Sorry Diamond audio, your amps don't compare. Take your audio experience up a notch with the Boss Audio Riot R2504 Class A/B 4-Channel Full Range Amplifier. With 1000 Watts Max Power and MOSFET power supply, this amplifier is ideal for your entire audio system. This 4-Channel Amplifier can power up your speakers, subwoofers or a combination of both. owners manual for orion hcca 2500.1 Bought amp and came with no manual - Car Audio & Video question. Search Fixya. Browse Categories Owners manual for orion hcca 2500.1. Bought amp and came with no manual Posted by sheilalittle on Jan 22, 2015. Amplifiers Owners Manual Ebook PDF:thank you for your purchase of orions amplifier each orion amplifier is designed to be the leader in its class offering ease of use advanced features and the most power orion amplifiers are designed as the best affordable high end car audio amplifier money can buy Listed below are the features of these new Find many great new & used options and get the best deals for Orion XTR2504 Car Amplifier at the best online prices at eBay! Free shipping for many products! 2504 Wireless Controller: Access product specifications, documents, downloads, Visio stencils, product images, and community content. ServiceManuals.net carries service manuals for many different products, including the HH SCOTT 2504. Visit us online for more information or to download service manuals today. Amazon.com: NEW Orion XTR2500.1Dz XTR Series 2500 Watts RMS Car Audio Amp CEA-2006 Compliant Power Ratings Xtreme Amplifier with Remote Bass Boost Control Knob Included (XTR2500.1D): Car Electronics Read and download Orion Car Audio Car Amplifier 250SX User's Manual online. Download