Diamond Audio Warranty

Diamond Audio Technologies, (DAT) warrants this product to be free from defects in material and workmanship for a period of one (1) year from the original date of purchase provided it was purchased from an authorized DAT retailer within the United States. However, if this product was installed by an authorized DAT retailer, the warranty period will be extended to three (3) years.

This warranty is valid only to the original purchaser and is not extended to owners of the product subsequent to the original purchaser. Any applicable implied warranties are limited in duration to a period of the express warranty as provided herein beginning with the date of the original purchase at retail, and no warranties, whether expressed implied, shall apply to this product there after. Some states do not allow limitations on implied warranties; therefore these exclusions may not apply to you.

This warranty gives you specific legal rights; however you may have other rights that vary from state to state. If your DAT amplifier needs service, defective merchandise must be returned to your local Authorized DAT dealer for warranty. Non-defective items received will be returned freight collect. Freight damage and returns are not covered under warranty. Include proof-of-purchase. Warranty expiration on items returned without proof-of-purchase will be determined from the manufactur- ing date code. You can confirm that a dealer is authorized for service by the display of a current authorized dealer window decal. Any questions can be directed to the Warranty Department at

(480)820-2075 This warranty is valid only if the product is used for the purpose for which it was designed. It does not cover:

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The cost of shipping this product to DAT’s Service Department Damage through negligence, misuse, abuse or accident Damage caused by exposure to water and/or excessive heat Items scratched, dented, or physically damaged due to abuse Items returned from unauthorized individuals or dealers Items previously repaired by any unauthorized repair facility

International customers: please contact your International DAT dealer or distributor concerning specifc procedures for your country’s warranty policies. If you are not able to locate your local distributor, please contact DAT for assistance at +1(480) 820-2075.

Specifications subject to change without notice.

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HA 750.1, HA 700.2, HA 700.4 specifications

Diamond Audio Technology has established itself as a key player in the high-performance audio industry, particularly known for its innovative amplifiers. The Diamond Audio HA series, encompassing the HA 700.4, HA 750.1, and HA 700.2 models, is designed for audiophiles who demand top-notch sound quality and reliability.

The HA 700.4 is a robust four-channel amplifier that delivers an impressive 100 watts RMS per channel at 4 ohms, while producing an astonishing 200 watts RMS per channel at 2 ohms. This amplifier employs advanced Class A/B circuitry, ensuring that audio reproduction is both powerful and crystal clear. It is equipped with high-level inputs, making it versatile enough to integrate with factory-installed audio systems. The HA 700.4 features a variable crossover, which allows users to tailor the output to suit specific audio preferences and achieve a balanced soundscape.

Next in the series, we have the HA 750.1, a mono amplifier capable of producing up to 750 watts RMS at 1 ohm. This model is designed for enthusiasts seeking strong bass performance. Its powerful output is complemented by a low-pass filter, enabling users to optimize their subwoofer performance. The HA 750.1 utilizes a high-performance MOSFET power supply, which ensures efficient power delivery and minimizes distortion, resulting in deep, rich bass tones.

Completing the lineup is the HA 700.2, a versatile two-channel amplifier that delivers 110 watts RMS per channel at 4 ohms and 220 watts RMS at 2 ohms. Ideal for driving component speakers or smaller subwoofers, the HA 700.2 features similar Class A/B technology as its counterparts. Its compact design is perfect for installation in tighter spaces while maintaining thermal efficiency through built-in heat sinks.

All three amplifiers are designed with durability in mind, featuring heavy-duty aluminum chassis that resist corrosion and provide excellent heat dissipation. The inclusion of adjustable gain control and built-in protection circuits further ensures reliability and longevity under various operating conditions.

In summary, the Diamond Audio Technology HA 700.4, HA 750.1, and HA 700.2 amplifiers boast state-of-the-art technologies, robust outputs, and user-friendly features that cater to serious music lovers. Whether enhancing high-frequency details or delivering deep bass, these amplifiers provide an unparalleled audio experience, making them a worthy addition to any sound system.