ACEFAST N4 Wireless Neckband – 80H Battery + 14.2mm Driver + ANC at ৳1,100

The ACEFAST N4 offers a specification that defies its price: a 14.2mm large dynamic driver (bigger than most in-ear earphones’ drivers) for powerful bass, ANC + ENC dual noise reduction for both music and calls, Bluetooth 5.4 for efficient stable connection, and an astonishing 80-hour battery life — all at ৳1,100. ACEFAST is an audio accessories brand with genuine engineering credentials, and the N4 represents their effort to bring serious audio specifications to a budget Bangladesh price point. For users who want ANC and a large driver under ৳1,200, nothing else in Bangladesh comes close to this package.

🔋 80H Battery — The Battery Champion

80 hours is not a misprint. The ACEFAST N4’s battery management and efficient driver design achieve 80 hours of total playback — meaning you charge this neckband less than once a week even with daily all-day use. This is more than double the 30-35H offered by competing budget ANC neckbands in Bangladesh. For users who hate charging gadgets, the N4 is a revelation.

🎵 14.2mm Driver — Larger Than Most

Standard neckband drivers are 10mm. The N4’s 14.2mm driver is 40% larger — and driver size directly correlates with bass capability and overall sound fullness. The N4’s bass is naturally more impactful and extended than 10mm alternatives, without needing special EQ modes or bass boost settings to produce satisfying low-frequency output.

Browse all ANC neckbands in Bangladesh at Marshmallow Tech.