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Description

Memphis SRX300.4

The Memphis SRX300.4 is a premium 4-channel Class AB amplifier from the Street Reference Series, engineered to deliver clean and reliable power for your car audio system. With a total RMS output of 300 watts, it provides stable performance at both 4Ω and 2Ω speaker loads and can be bridged to power subwoofers. Its compact yet durable design features high- and low-level inputs, variable crossovers, and built-in protection circuitry against thermal, overload, and short-circuit conditions. Ideal for powering a full-range speaker system, the SRX300.4 ensures clear, distortion-free audio with a rugged aluminum chassis built for long-lasting performance.


Features

Feature Specification
Series Street Reference
Subwoofer Size 10″
Impedance 4 Ohm Single Voice Coil
Power Handling (Peak) 600 watts
Power Handling (RMS) 300 watts
Cone Material Polypropylene Cone
Surround Rubber Surround
Spider Progressive poly cotton spider
Enclosure Compatibility Optimized for sealed and ported enclosures
Terminals 12 AWG compression terminals
Voice Coil High Temperature Aluminum
Sensitivity 84 dB
Recommended Sealed Box Volume 0.75 cubic feet
Recommended Ported Box Volume 2.0 cubic feet
Top-Mount Depth 4.55″
Cutout Diameter 9.15″
Authorized Dealer Yes
Warranty 1-year Manufacturer’s Warranty

Specification

Category Specifications / Details
RMS Power 4Ω 50W × 4
RMS Power 2Ω 75W × 4
Bridged/Mono @ 4Ω 150W × 2
THD (4Ω) <1%
Frequency Response 10Hz – 24kHz
Dimensions (L x W x H) 12.5 × 7.87 × 2.16 inches
Recommended Amp Kit 8GKIT

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Questions and Answers

Q1: What is the total RMS output of the SRX300.4?

A1: The amplifier delivers a total RMS output of 300 watts across 4 channels.

Q2: Is the SRX300.4 stable at 2 ohms?

A2: Yes, it provides stable operation at 2-ohm loads and can be bridged for higher power applications.

Q3: Can this amplifier be used with both high-level and low-level inputs?

A3: Yes, it supports both input types, making it compatible with factory or aftermarket head units.

Q4: Does the SRX300.4 have built-in protection?

A4: Yes, it features thermal, overload, and short-circuit protection to safeguard both the amplifier and connected speakers.

Q5: What wiring is recommended for installation?

A5: An 8 AWG gauge amplifier wiring kit is recommended for optimal performance and safety.


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