Fast Delivery DigiKey customers in the United States can choose from a wide range of fast, reliable delivery options, with shipping rates starting as low as $4.99. Payment Types Payment in Advance by Wire Transfer Marketplace Product More Products From Fully Authorized Partners Average Time to Ship 1-3 Days. Please see product page, cart, and checkout for actual ship speed. Extra Ship Charges May Apply Balanced Armature Multi-Way Drivers Knowles balanced armature (BA) drivers are precision-crafted and tuned to provide clear and consistent premium audio Knowles offers a wide portfolio of full-range drivers, woofers, tweeters, and super tweeters that enhance the listening experience in various custom and universal in-ear monitors and TWS devices. With years of experience and expertise in the premium audio industry, Knowles has developed a portfolio of multi-way driver designs boasting the latest state-of-the-art BA technologies. Features T202 Offers precise tolerances and uninterruptible supply continuity with the KN automated receivers T303 Smaller size results in a more comfortable fit (use a single dual diaphragm BA receiver in place of dual BA receivers) Provides bass extension T404 All of the T303 benefits, plus the small form factor of the super tweeters and the enhanced high frequency range of 40 kHz, making it a complete offering to deliver lossless and high-resolution audio in IEMs and TWS earphones T408 All of the T404 benefits, plus excellent bass extension of two dual diaphragm technology receivers and enhanced high frequency extension using a dual super tweeter, making it a great fit for high-end custom and audiophile earphones Applications Gaming earphones Thank you! Keep an eye on your inbox for news and updates from DigiKey! Please enter an email address I agree to receive marketing emails from DigiKey. I understand that I can withdraw consent at any time. Please review our Privacy Notice . Please accept the checkbox Subscribe Information Contact and support