Description
Nakamichi NBX305A – Active 12" Car Subwoofer Box | Built-In Amplifier
Looking for a powered car subwoofer that works in any vehicle — sedan, hatchback, SUV, ute, or 4WD? The Nakamichi NBX305A is a complete active subwoofer enclosure with a built-in amplifier, giving you serious bass without the hassle of sourcing and wiring a separate amp. A true plug-and-play upgrade for factory or aftermarket car audio systems.
Why choose an active subwoofer for your car?
Whether you're upgrading bass in a hatchback, sedan, wagon, SUV, ute, van, or 4WD, the NBX305A's built-in amp means one box does it all:
Universal fit – suits daily drivers, tradie utes, family SUVs, and performance cars alike
Plug-and-play install – connect via RCA or speaker-level input straight from your head unit; no separate amplifier required
Space-saving design – ideal for boots, cargo areas, and tight installs in hatchbacks and small SUVs
Factory system upgrade – perfect for replacing weak stock bass in daily drivers without a full system overhaul
Serious output – 2400W peak / 350W nominal power for punchy, controlled low-end in any cabin size
Key Features
Active (powered) 12" subwoofer box — amp included
40–150Hz frequency response for deep, tight bass
ASV φ49.5mm voice coil, Y25 magnet (1275g) for durability under high power
Compact enclosure suited to hatchback, sedan, SUV, ute, and van installs
Simple setup — no external amplifier, no complex wiring
Specifications
FeatureDetailTypeActive Subwoofer BoxDriver Size12"Peak Power2400WNominal Power350WFrequency Response40 – 150HzSensitivity82 ± 3dBImpedance2ΩVoice CoilASV φ49.5mmMagnet135 x 60 x 20mm, Y25 (45oz / 1275g)Enclosure Dimensions555 x 210/320 x 410mmNet WeightApprox. 16.2kg
