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Congratulations!
Thank you for choosing a new Diamond Audio amplier. Diamond Audio ampliers are engineered and produced with the highest quality materi-
als and incorporate the latest technology. We think you will nd your new Diamond Audio amplier meets or exceeds your expectations and
provides excellent value.
Properly installed, your new Diamond Audio amplier will provide years of high quality sonic reproduction. Before installing the amplier in your
vehicle, please read this entire manual carefully. It is required reading for the protection of your vehicle and for the maximum performance of
your mobile audio system. All Diamond Audio ampliers have been extensively tested and “burned-in” for maximum reliability. If after reading
this manual, you still have questions regarding this product, we recommend that you contact your authorized Diamond Audio dealer for expert
installation assistance.
If you need assistance with repair or warranty, detailed warranty and return/repair information is listed in the back of this manual. Be sure you
record your serial number, model number and date of purchase for your amplier as this will be necessary for any returns.
Please Practice Safe Sound!
Continuous exposure to sound pressure levels over 100 dB may cause permanent hearing loss. High powered mobile audio systems may produce
sound pressure levels well over 130dB. Use common sense and practice safe sound.
All Diamond Amplifiers Feature:
• Pulse Width Modulated (PWM) MOSFET Switching Power Supply
• Up to 12 dB Bass Boost
• Extruded Aluminum Heatsink
•Nickel Plated RCA Low Level Audio Inputs
•Nickel plated, low resistance power and speaker connector blocks
• Power ON and Protection LED Lighting for Easy Diagnostics
• Thermal, Short Circuit, and Overload (Low Impedance) Protection
• Chassis mounted ATC/ATO type automotive fuses (except D1000.1)
• Proudly Designed and Engineered in the USA
D300.2 / D300.4 / D600.4 Features
•Class AB Amplier Topology
• Stable into 2 ohm Stereo Loads
• Internal 12dB/Octave Variable High Pass or Low Pass Filter
• Hi-level inputs on D300.2 and D300.4
• Pass -Thru Line Output for Daisy Chaining Ampliers
• Bridgeable Output Capability (4ohms)
D400.1 / D600.1/ D1000.1 Features
•Class D Amplier Topology (Class AB on D400.1)
•Stable into 1 Ohm (2 Ohm on D400.1)
• Internal 24dB/Octave Variable Low Pass Filter (12dB on D400.1)
• Hi-level inputs on D400.1
• Pass -Thru Line Output for Daisy Chaining Ampliers
• Remote Level Control
• D600.1 and D1000.1 are Sync capable
• Subsonic Filter
• 0° or 180° Phase Control