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Avantone Pro CLA-Sub Powered Studio Subwoofer , $1,299.00 - Pre-order Now Skip to Product Information

New Avantone Pro CLA-Sub Powered Studio Subwoofer

300W Powered Studio Subwoofer with 10" Driver, Front- and Down-firing Modes, Sweepable Crossover LPF, Output HPF, Footswitchable Operation, and Standby Mode
Be the first to review Item ID: CLASub
Avantone Pro CLA-Sub Powered Studio Subwoofer
Avantone Pro CLA-Sub Powered Studio Subwoofer

Hot New Item - On The Way!

Order today to reserve yours now, risk-free, or contact us for more information. We expect these to arrive in several weeks. Estimated September 2026

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New Avantone Pro CLA-Sub Powered Studio Subwoofer
Hot New Item - On The Way!

Order today to reserve yours now, risk-free, or contact us for more information. We expect these to arrive in several weeks. Estimated September 2026

Avantone’s Value- and Performance-packed CLA-Sub

This article was Written By

Our Product Research Team

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Packing 300 watts of power and a custom 10-inch driver, the Avantone Pro CLA-Sub is a perfect studio subwoofer for producers and engineers who record and mix cinema sound or any contemporary music genre with an emphasis on deep bass. While the CLA-Sub is an ideal match for Avantone’s CLA series studio monitors, its versatile crossover filter options make it a value- and performance-packed sub for any studio or home theater setup in small-to-midsize rooms. A unique feature of the CLA-Sub is its ability to be configured in either front-firing or down-firing mode to optimally suit the acoustics of your room.

Seamless integration into your monitoring system

In front-firing mode, the CLA-Sub delivers the cleanest, most accurate bass response, as it doesn’t couple with the floor. In down-firing mode, however, the subwoofer couples to the room by design, thus increasing its output by 3dB. To convert the CLA-Sub from front- to down-firing mode, simply relocate the rubber isolation feet, which are fabricated using a specialized vibration-damping compound that diminishes mechanical coupling with the floor to reduce sympathetic vibrations that can color the sound.

Proprietary dual-magnet 10-inch driver

The CLA-Sub’s proprietary 10-inch driver is designed for maximum output with vanishingly low distortion. Its stacked dual ferrite magnet design moves air with higher efficiency and control than conventional woofers. The driver employs a rigid paper cone substrate to minimize distortion, overtones, and harmonics, while providing fast transient response. Engineers at Sweetwater have given the CLA-Sub a serious audition in several monitoring setups and report that it performs admirably in both studio and home settings.

Configuration options to accommodate any setup

Designed to accommodate any studio monitoring or home playback setup, the CLA-Sub is spec’d with a high-cut control, sweepable from 50Hz to 180Hz, that lets you dial in the crossover point to your main monitors. There’s also an output low-cut filter that lets you trim the low end at 80Hz or 100Hz for the signal sent to your main monitors. The CLA-Sub also includes polarity and gain controls, and a switchable standby mode that puts the unit into a power-efficient sleep mode after 30 minutes of inactivity. The rear panel is fitted with locking XLR/TRS combo inputs to keep your audio connections secure. And finally, the sub can be toggled on/off using a footswitch for convenient A/B comparisons. With so much to offer, the Avantone Pro CLA-Sub has proven itself to be a versatile, high-performance subwoofer that punches way above its modest price tag.

Avantone Pro CLA-Sub Features:

  • 300W studio subwoofer
  • Custom dual-magnet 10-in. driver
  • Ideal match for CLA series studio monitors
  • Versatile crossover filter options accommodate any studio or home theater setup
  • Front-firing and down-firing configurations to suit your mix environment
  • Exclusive dual-magnet driver with rigid paper cone for maximum volume and minimal distortion
  • Ported enclosure for low-end extension
  • Sweepable 50Hz–180Hz crossover lowpass filter
  • Switchable 80Hz/100Hz highpass filter for output to studio monitors
  • No aftermarket acoustic isolation feet required
  • Rear-panel polarity and gain controls
  • Switchable power-saving standby mode
  • Locking XLR/TRS combo inputs
  • Footswitchable operation

Warranty Info

Sweetwater's FREE 2-Year Total Confidence Coverage Warranty

Extra peace of mind at no extra cost.

  • Save money with FREE parts and labor
  • Get back to making music with the industry's fastest turnaround time
  • Fix it the first time with our award-winning, factory-certified Service Department
Learn More about Total Confidence Coverage

Offer applies only to single-receipt qualifying purchases. Select manufacturers may require that only the manufacturer’s products qualify towards the minimum purchase amount needed to be eligible for promotional financing. Otherwise, an invoice that meets the minimum purchase amount and contains at least one qualifying manufacturer product is eligible for promotional financing. No interest will be charged on promo purchase balance, and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the amount financed divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months’ rounding. Regular account terms apply to non-promo purchases. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

Offer applies only to single-receipt qualifying purchases. No interest will be charged on the promo balance if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo balance from the purchase date. The required minimum monthly payments may or may not pay off the promo balance before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

The estimated required monthly payment shown which excludes taxes and delivery equals the amount financed divided by the number of months in the promo period, rounded up to the next cent. During the last month(s) of the promo period the required monthly payment may be reduced due to this rounding. These payments apply only with the financing offer shown. If you make these payments by the due date each month, you should pay off this amount financed within the promo period, if it is the only balance you are paying off. If you have other balances on your account, this payment will be added to any other minimum monthly payments.

Applies only to select items from this manufacturer. Ask your Sweetwater Sales Engineer for more details.