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Shure

Shure RPW204 Nexadyne 8/S Supercardioid Wireless Microphone Capsule

★★★★★3.2 (4 reviews)
25W

Supercardioid wireless capsule with dual-engine Revonic technology for focused vocal isolation on stage.

$329.00*
✓ In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Shure RPW204 Nexadyne 8/S is a supercardioid dynamic wireless microphone capsule built around Shure's Revonic Transducer Technology. Unlike conventional single-diaphragm dynamic capsules, the Nexadyne 8/S uses a dual-engine matched pair of transducers that work in concert to maintain a more consistent supercardioid polar pattern across the frequency range. This design also delivers measurably better vibration cancellation, meaning less handling noise reaches the mix — a critical advantage during energetic live performances where the microphone is constantly in motion.

Designed as a drop-in replacement capsule for Shure's handheld wireless transmitter bodies, the RPW204 lets audio engineers and performers upgrade their existing wireless systems to Nexadyne-level performance without replacing their entire rig. The supercardioid pickup pattern provides tighter front rejection than a standard cardioid, giving vocalists better isolation from stage monitors and bleed from nearby instruments. For live sound professionals looking to extract more clarity and control from their Shure wireless platform, the RPW204 represents a focused, capsule-level upgrade path.

Key Features

Dynamic Vocal Microphone capsule for live performance. With Revonic Transducer Technology featuring a dual-engine matched pair design for exceptional supercardioid polar pattern and vibration cancellation for focused vocal isolation

Item Package Dimension: 4.75L x 3.25W x 2.75H inches

Item Package Weight - 0.655 Pounds

Item Package Quantity - 1

Product Type - MICROPHONE

Specifications

Brand
Shure
Model
RPW204
Type
Dynamic Wireless Microphone Capsule
Polar Pattern
Supercardioid
Technology
Revonic Transducer Technology (Dual-Engine Matched Pair)
Compatibility
Shure Handheld Wireless Transmitters
Color
Black
Package Dimensions
4.75 x 3.25 x 2.75 in
Package Weight
0.655 lbs

Pros & Cons

👍 Pros

  • Dual-engine Revonic transducers provide superior vibration cancellation over traditional single-element designs
  • Supercardioid pattern offers tighter pickup for better stage isolation than standard cardioid capsules
  • Interchangeable capsule design lets you upgrade existing Shure wireless transmitters without replacing the entire system
  • Dynamic element handles high SPL levels on stage without distortion

👎 Cons

  • Only compatible with Shure handheld wireless transmitter bodies, limiting use if you own a different wireless ecosystem
  • Capsule-only product requires a separate transmitter body purchase to function
  • Supercardioid pattern has a small rear lobe that can pick up sound from directly behind the capsule
  • Premium pricing compared to standard SM58-based wireless capsules

Frequently Asked Questions

The RPW204 is designed to work with Shure handheld wireless transmitters that accept interchangeable capsules, including models in the AD2, SLXD2, QLXD2, and ULXD2 lines.
Revonic is Shure's dual-engine matched pair transducer design that combines two dynamic elements working together to deliver a more consistent supercardioid polar pattern and improved vibration rejection compared to traditional single-element capsules.
The supercardioid polar pattern picks up sound from a narrower front angle than a standard cardioid, providing greater rejection of stage monitors, neighboring instruments, and ambient noise for cleaner vocal isolation.
This is a replacement capsule only. It threads onto a compatible Shure handheld wireless transmitter body and does not function as a standalone microphone.
No. As a dynamic capsule, the RPW204 does not require phantom power. It draws its operating power from the wireless transmitter body it is attached to.

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