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Description

Memphis PRX3

The PRX3 is a compact 3.5″ (3‑1/2″) 2-way coaxial speaker from Memphis’s Power Reference (PRX) series, designed for tight factory locations without sacrificing sound quality. It features a graphite-reinforced polypropylene woofer with a polyurethane surround for warm, punchy mids, paired with a ½″ PEI (Polyetherimide) dome tweeter mounted on a multi-direction pivot system that helps improve sound imaging. The speaker handles 15 W RMS (30 W peak), has a sensitivity of 87 dB, and uses a 4 Ω impedance. Its shallow mounting depth (~1.5″) makes it suitable for small OEM speaker slots.


Specifications

Specification Value
Size (in) 3.5
RMS/Peak (W) 15/30
Sensitivity (dB) 87
Mounting Depth (in) 1.5
Magnet Size (oz) 7
Warranty (yrs) 1 Y
Grill N

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Questions and Answers

Q1: What is the power rating of the PRX3?
A1: It supports 15 W RMS and 30 W peak power.
Q2: What is the impedance?
A2: The speaker has a 4 Ω impedance.
Q3: What is the sensitivity?
A3: Sensitivity is 87 dB.
Q4: What kind of tweeter does it use?
A4: It uses a ½″ PEI dome tweeter, mounted on a pivot for better imaging.
Q5: How deep is it to mount?
A5: The top-mount depth is about 1.5″.

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