This article explains the engineering methodology behind passive radiator tuning in compact party speakers. It covers system resonance control, mass and compliance matching, phase alignment, excursion limits, and production stability considerations in OEM speaker manufacturing.

AP-2615D is a 160W portable RGB party speaker designed for entertainment and outdoor use. Featuring a 6.5-inch woofer, dual tweeters, rolling RGB light effects, Bluetooth connectivity, karaoke and recording functions, it is an ideal OEM party speaker solution manufactured by Deluxe AV for global markets.

Deluxe AV is a professional speaker manufacturer in China, providing OEM and ODM services for party speakers, portable speakers, and karaoke audio products for global markets.

Deluxe AV will participate in HKTDC Hong Kong Electronics Fair (Spring Edition) 2026 from 13–16 April 2026 at HKCEC, Hong Kong. Visit Booth 1D-E16 / 1E-A15 to explore portable speakers, party speakers, private-mold models, and OEM/ODM solutions.