Infinity Primus 9004A Amplifier

Description
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Infinity Primus Amps are available in a variety of configurations, delivering the right power and number of channels for full-range and subwoofer applications. For more than four decades, Infinity has made the audio experience a lot more satisfying for the car audio enthusiast. With a broad array of loudspeakers, amplifiers and subwooers available, you can drive with ease and exhilaration. These compact amps are equipped with all the important inputs and user controls including a bass EQ as well as LPF and HPF crossover controls for tailoring sound to suit the characteristics of different vehicles. The Primus Amps are easily installed and amazingly reliable – and once they turn on, they’ll make a transducer sit up and sing.

Know What’s In The Box

1 x Amplifier
1 x Spare fuse (x2 for 1-channel and 4-channel model)
1 x High-level input cable (x2 for 4-channel model).
1 x Mounting hardware
1 x Mounting screws
1 x Quick start guide

Product Specs, Compatibility & Features

General Specifications

Power Output: 90Wx4@4ohms

Frequency Response: 20-20kHz±1dB

THD@ROP: 1%

Input Sensitivity: 0.2V-5V

High Pass Filter, Variable: 32 -320Hz

Low Pass Filter, Variable: 32 -320Hz

Bass EQ@45Hz: 0-12dB

Protection: DC, OVP, UVP, OCP, OTP

Features

Value Engineered

Primus amplifier provides true Infinity performance at an affordable price while now lacking the features needed to properly tune and optimize performance.

Compact footprint

With it becoming more and more difficult to find spacious locations for amplifier mounting, Primus has been developed in a small compact form factor to allow more location versatility.

Full On-Board Protection.

Primus amplifier has on-board circuitry to protect them from shorts, temperature, overvoltage and under voltage. An LED indicator is included on all four models to let you know when one of these conditions exists.

Reliability

Infinity is one of the best selling car audio brands in the world. This is not a coincidence given the arduous testing and quality control. We take our craft seriously and want every consumer to have a world class experience that lasts and lasts.

Input Sensitivity

An input level control adjusts input sensitivity. When low level inputs are used, this control can adjust the input between 200mVrms and 6.0Vrms. When high level inputs are used, the control adjusts the input between 0.5Vrms and 15Vrms. This allows Primus amps to be connected to virtually any factory system or serve as the foundation for a trophy winning aftermarket competition system.

Switchable bass EQ

This provides an available bass boost at 45Hz of 6dB or 12dB, serving as a great tool to optimize subwoofer and loudspeaker performance based on location and enclosure type.