Yorkville Sound EL21S 3600-Watt 21-Inch Powered Subwoofer

High-Output Low-End – The Yorkville EL21S Elite 3600-Watt 21-Inch Powered Subwoofer

The Yorkville EL21S is a professional 21-inch powered subwoofer designed to deliver deep, powerful low-frequency performance for live sound, DJ, venue, and touring applications. With 3600 watts of peak power, 2400 watts program power, a neodymium woofer with dual 4.5-inch voice coils, and a rugged birch plywood enclosure, the EL21S provides serious output and extended bass response down to 32 Hz.

• 3600 W peak power and 2400 W program power
• 21-inch neodymium woofer with dual 4.5-inch voice coils
• 142 dB peak SPL and 136 dB continuous SPL
• 32 Hz - 100 Hz frequency response
• Onboard limiter helps protect the system during high-output operation
• 2 combo XLR/1/4-inch TRS inputs
• 2 XLR high-pass outputs and 2 XLR full-range link outputs
• powerCON TRUE1 compatible input and output connectors
• 15 mm birch plywood construction with powder-coated steel grille
• Top and side pole-mount adapters for flexible system configuration
• Integrated rigid and swivel casters for easier transport
• Made in Canada

Powerful 21-Inch Low-Frequency Performance

The EL21S delivers 3600 watts of peak power and 2400 watts of program power through a 21-inch neodymium woofer with dual 4.5-inch voice coils. With a frequency response extending down to 32 Hz and output up to 142 dB peak, it is designed to provide the deep low-end impact required for demanding professional sound reinforcement applications.

Flexible System Connectivity

The rear panel includes two combo XLR/1/4-inch TRS inputs, two XLR high-pass outputs, and two XLR full-range link outputs. This makes it easy to integrate the EL21S into full-range PA systems while providing filtered outputs for compatible top cabinets.

Rugged Birch Plywood Enclosure

The enclosure is constructed from 15 mm birch plywood and finished with textured paint for durability in professional use. A powder-coated steel grille protects the woofer, while multiple integrated handles and casters simplify transportation, positioning, and setup.

Flexible Placement Options

Top and side pole-mount adapters support different system layouts and deployment options. Two rigid casters and two swivel casters help make the EL21S easier to move in touring, rental, and event environments.

SPECIFICATIONS

System

• System Type: Powered subwoofer
• Power Rating: 3600 W Peak / 2400 W Program
• Maximum SPL: 142 dB Peak / 136 dB Continuous
• Frequency Response: 32 Hz - 100 Hz (+/-3 dB)
• Crossover Frequency: 100 Hz

Driver

• LF Driver: 21-inch neodymium woofer
• Voice Coils: Dual 4.5-inch

Connections

• Inputs: 2 x Combo XLR / 1/4-inch TRS
• Outputs: 2 x XLR High-Pass
• Link Outputs: 2 x XLR Full Range
• Power Connections: powerCON TRUE1 compatible input and output

Controls and Indicators

• Level Controls: Yes
• Onboard Limiter: Yes
• LED Indicators: Power, Activity, Protection

Power

• Power Consumption: 6.5 A typical / 12 A maximum

Construction

• Enclosure Material: 15 mm Birch Plywood
• Grille: Powder-Coated Steel
• Finish: Textured Paint
• Pole Mount Adapter: 1 x Top, 1 x Side
• Flying Hardware: No

Transport

• Wheels: 2 x Rigid Casters, 2 x Swivel Casters
• Handles: 1 x Top, 4 x Side, 1 x Bottom

Dimensions and Weight

• Dimensions (D x W x H): 31.2 x 25.9 x 36 inches
• Depth with Casters: 36.2 inches
• Metric Dimensions: 79.3 x 65.8 x 92 cm
• Depth with Casters: 92 cm
• Weight: 197.5 lb / 90 kg

We are Musictoner Musictoner

Since 1958, Chuck Levin’s Musictoner has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.