Don’t sell your soul to a creditor to get the gear you need. At AMS, we want to lower the barriers to create. That’s why we offer in-house 0% financing, and you don’t even have to open a new line of credit! Spread out payments on your credit card to simplify financing and avoid hefty late fees or service charges. Cost shouldn’t interfere with your creativity.
Earn rewards every time you shop at AMS. You'll collect points on eligible purchases that turn into promotional savings on future gear, with points typically available several days after your order ships. All you need is a free AMS account — no credit card, financing, or payment plan required.
The more you shop, the more you earn. Create a free account and start earning from your very first eligible purchase. Rewards are applied as a discount on future eligible purchases.
Earn rewards every time you shop at AMS. You'll collect points on eligible purchases that turn into promotional savings on future gear, with points typically available several days after your order ships. All you need is a free AMS account — no credit card, financing, or payment plan required.
The more you shop, the more you earn. Create a free account and start earning from your very first eligible purchase. Rewards are applied as a discount on future eligible purchases.
Earn points on eligible purchases with AMS Rewards and turn them into savings on future orders, no credit card required. You can apply points at checkout once they’re available.
OR
Compare
Compare! Here are all the serial numbers of this model we have in stock. Compare them all and select your favorite!
Opt in for Notifications on this product for the price drops, stock changes and promotions
Did you know AMS is the only music distributor with four distribution centers? And that means we can offer super-fast shipping on all your music products. Whether you don’t want the spark of inspiration to fade or you really need that replacement speaker before the next show, we have you covered anywhere in the U.S. And even better, it’s FREE!
You shouldn’t have to pay extra for a little peace of mind. When you purchase from AMS, you’ll get a free 12-month extended warranty to cover your purchase — and that’s in addition to any manufacturer’s warranties! Thousands of items in our catalog feature the “Gold Lock Extended Warranty,” so you can feel confident in your purchase.
45
Day return
Sometimes the gear on the computer screen seems like a better fit than when you actually get your hands on it. We understand, and that’s why AMS offers an industry-leading 45-day money-back guarantee. If you’re not happy with an item, you have a full month and a half to send it back! We don’t want to just sell you gear. We want to sell you the RIGHT gear — even if it takes a few tries.
Canadian Shipping Information
Welcome Canadian musicians! Buying your gear from AMS is as easy as going to a local music store, with more selection and more than competitive prices!
Items with this logo are eligible to ship to Canada. Please note that you will be responsible for payment of brokerage fees, duties and other import taxes applicable to your order.
NOTE: Free shipping offers do not apply to Canadian orders. Please be aware of custom fees - such as taxes and duties - when your order arrives. Since these fees vary from location to location, CUSTOMS FEES ARE NOT INCLUDED IN SHIPPING CHARGES. Please check with your local customs office for more information on the fees in your areas. Refusal to pay these fees will result in an undeliverable order. If returned, we do not refund shipping charges and may assess restocking fees to cover return shipping expenses.
0% Interest
Payment Plan
Don’t sell your soul to a creditor to get the gear you need. At AMS, we want to lower the barriers to create. That’s why we offer in-house 0% financing, and you don’t even have to open a new line of credit! Spread out payments on your credit card to simplify financing and avoid hefty late fees or service charges. Cost shouldn’t interfere with your creativity.
The KRK S8.4 S8 Generation 4 powered studio subwoofer is designed to bring accurate, defined bass to your existing monitor setup. By offloading the lower frequencies to a dedicated sub, you allow your main monitors to focus on the mids and highs, resulting in a cleaner overall mix.
With its efficient Class D amplification and updated cabinet design, the S8.4 offers a reliable solution for producers and engineers looking to extend their low-end monitoring capabilities.
Defined Low-End Performance
At the heart of the S8.4 is an 8-inch glass aramid composite woofer driven by a highly efficient Class D power amplifier. This combination delivers tight, punchy bass with excellent transient response, ensuring that you hear exactly what is happening in the lower registers of your mix without muddying the sound.
Glass Aramid Woofer: The 8-inch driver is engineered for rigidity and durability, minimizing distortion even at higher volume levels for accurate reproduction.
Class D Amplification: The 109-watt amplifier provides substantial headroom and power, delivering a maximum peak SPL of 113dB.
Front-Firing Port: The optimized front port design enhances low-frequency extension while reducing port turbulence and noise for cleaner playback.
Flexible Connectivity and Control
Integrating a subwoofer into a studio requires precise control, and the S8.4 is equipped with a comprehensive set of features to match any configuration. The rear panel offers extensive input and output options along with essential controls to ensure the sub blends seamlessly with your main monitors.
4-Position Crossover: A selectable crossover switch lets you easily adjust the frequency settings to match your specific monitors and room acoustics.
Universal Connectivity: The unit features balanced XLR and 1/4" TRS inputs and outputs, as well as unbalanced RCA connections, making it compatible with a wide range of gear.
Bypass Control: A dedicated footswitch input allows you to mute the sub and bypass the crossover filter, sending full-range audio to your monitors for quick A/B comparisons.
Studio-Smart Design
KRK redesigned the cabinet for the Generation 4 series to offer better placement flexibility within modern studio environments. The form factor is more compact and lower in profile, making it easier to position under desks or in tight spaces without compromising on audio performance.
Placement Flexibility: The front-firing port allows you to place the subwoofer closer to walls or corners without the acoustic issues often associated with rear-ported designs.
Robust Build: The reinforced MDF enclosure is built for longevity and helps reduce cabinet resonance for a more transparent sound.
Essential Switches: Includes ground lift and polarity switches to troubleshoot setup issues, along with a standby mode for energy efficiency.
Fine-Tuning Your Frequencies
For audio professionals seeking to reveal the full depth of their tracks, the KRK S8.4 offers a blend of power, precision, and versatility. Its thoughtful design improvements and robust feature set make it a valuable addition to any studio looking to achieve a more accurate and complete monitoring experience.
KRK S8.4 Features:
8" glass aramid composite woofer
Class D power amplifier with 109 Watts total power
Frequency response: 34.5Hz - 133Hz
Max Peak SPL: 113dB
4-position crossover control
Input/Output: XLR, 1/4" TRS, RCA
Front-firing bass port
Footswitch input for bypass (footswitch sold separately)