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If you’re searching for a professional line array sound system that balances power, portability, and precision, Audfine’s S18L424B 4 inch line array speaker delivers the performance that professional audio engineers and event organizers demand. This active line array speaker integrates a 1400W Class-D amplifier, 5-channel mixer, and built-in DSP with EQ, echo, and reverb controls—eliminating the need for external gear and making setup fast and efficient.
Designed for versatility, our portable line array speaker system combines four 4-inch line array elements with an 18-inch subwoofer, delivering a 50Hz–20kHz frequency response and 121dB max SPL to fill venues with clear, balanced audio. Whether you need a compact line array speaker for small weddings, a 4 inch PA speaker for corporate meetings, or a fixed installation line array speaker for gymnasiums, this system adapts to every scenario. The durable plywood cabinet and metal grille ensure it withstands the rigors of touring, while TWS Bluetooth 5.0 and an MP3 player add flexibility for music playback.
Unlike consumer-grade options, Audfine’s studio line array speaker quality is backed by factory-level OEM customization. We can tailor the system to your exact specifications—from branding and input configurations to DSP presets—making it ideal for audio rental companies, event production teams, and fixed-installation contractors.
Whether you’re equipping a live performance venue, installing sound for a church, or organizing a outdoor festival, our 4 inch line array speaker system delivers the reliability and sound quality that professionals trust. As a direct manufacturer, we offer competitive pricing, technical support, and fast lead times. Ready to elevate your audio setup? Send us an email today to discuss OEM customization, request a quote, or explore how our line array speaker solutions can meet your needs.
