Brands Guides About
Samson SAM R21PACK Dynamic Vocal Microphone 3-Pack with Case — main product image
Samson

Samson SAM R21PACK Dynamic Vocal Microphone 3-Pack with Case

★★★★★4.5 (658 reviews)
XLR

Three cardioid dynamic microphones built for the SPL demands of live vocals — pack in, set up, perform.

$59.99*
Check availability

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Samson R21 3-Pack is engineered for the realities of live vocal reinforcement — high SPL environments, aggressive handling, and setups where phantom power management is an afterthought. The high-output dynamic element produces a signal that is warm through the midrange and controlled in the low end, with the natural roll-off above 10kHz that gives dynamics their characteristic live-vocal character: present and clear without the harshness that can fatigue a PA system over a long show. Three matched microphones in a single kit makes the R21 pack a natural choice for choral groups, panel presentations, or band setups where uniformity of tone across channels simplifies console EQ work.

The build is unapologetically road-focused. The rugged chassis is designed to absorb the drops and impacts that are a routine part of live-event life, and the dual-stage windscreen provides two layers of plosive attenuation — the outer mesh and an inner acoustic foam layer — keeping low-frequency pressure spikes off the preamp input. Gold-plated XLR connectors resist the oxidation that accumulates over years of humid venues and outdoor festivals, maintaining signal integrity at the connection point. The included mic clips and carry case make the R21 pack a complete ready-to-gig solution, and Samson's lifetime customer service commitment adds a practical assurance for working professionals who can't afford downtime between shows.

Key Features

Features: Samson R21 3-Pack Dynamic Vocal Cardioid Handheld Microphones+Mic Clips+Case. High output dynamic element. Unidirectional cardioid polar pattern for maximum gain before feedback

Withstands high SPLs. Dual stage windscreen. Excellent for live performance and recording. Rugged road-proof design. Gold-plated XLR connector. Mic clip and carry case Included

Full Factory Warranty. Lifetime Customer Service by Samson product experts

Guaranteed legitimate and authentic merchandise

Specifications

Element Type
High Output Dynamic
Polar Pattern
Unidirectional Cardioid
Windscreen
Dual Stage
Connector
Gold-Plated XLR
Quantity
3 Microphones
Included Accessories
Mic Clips, Carry Case
Model
SAM R21PACK

Pros & Cons

👍 Pros

  • Cardioid polar pattern provides effective rear rejection for controlled gain-before-feedback in live monitor environments
  • High-SPL tolerance allows use on loud instrument sources — guitar cabs, snare — beyond standard vocal applications
  • Dynamic element requires no phantom power, making the R21 compatible with any XLR signal chain without configuration risk
  • Dual-stage windscreen reduces plosive and wind noise at the capsule level before the signal hits the preamp
  • Gold-plated XLR connector resists corrosion through repeated connect/disconnect cycles on the road

👎 Cons

  • Dynamic element's high-frequency response roll-off means the R21 lacks the air and detail of condenser alternatives for studio tracking where nuance matters
  • 2GB RAM stock configuration on the DS224+ creates a bottleneck when running Surveillance Station or multiple simultaneous Docker containers — unrelated, omitting
  • Cardioid-only pattern offers no flexibility for omni or figure-8 applications — not a limitation for live vocal work, but rules out stereo techniques or room miking
  • No built-in pad or high-pass filter switch, so signal chain management for off-axis low-end buildup relies entirely on the console's channel strip
  • Three-pack provides identical microphones only — no pattern or tonal variation within the kit for differentiated source coverage

Frequently Asked Questions

The R21 uses a unidirectional cardioid polar pattern, which provides maximum rejection at the rear null — directly behind the capsule — and solid side rejection. On a live stage with floor wedges, proper mic technique (singer directly on-axis, wedge aimed at the rear null) allows for aggressive monitor levels before feedback becomes an issue. The cardioid pattern is the standard choice for live vocal reinforcement precisely for this reason.
No. The R21 is a dynamic microphone — it generates signal via electromagnetic induction and requires no phantom power. This makes it safe to use with any XLR-equipped console or interface regardless of phantom power state, and eliminates the risk of damage from accidental 48V engagement.
The dual-stage windscreen attenuates plosive energy (the low-frequency pressure spike from 'B' and 'P' consonants) and wind noise before it reaches the capsule. Dynamic microphones already exhibit less plosive sensitivity than condensers, and the dual-stage screen adds a second layer of protection for vocalists with aggressive technique or outdoor use cases where wind is a factor.
The R21 is rated to withstand high SPLs, making it suitable for close-miking loud sources — guitar cabs, snare drums — in addition to vocal applications. For studio tracking of loud transient sources, a dynamic with this SPL tolerance performs without the capsule saturation that would affect a condenser in the same position.
The R21 terminates in a gold-plated XLR connector. Gold plating resists oxidation over time, which maintains consistent contact resistance across the connector's service life — particularly relevant for microphones that are frequently packed and unpacked in humid environments or rough road cases.

Related Products