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Eminence Delta Pro 12A 12-inch car subwoofer with black cone and silver magnet

Eminence

Eminence DELTA PRO-12A 12-in Car Subwoofer

SKU CH-4ZV1-QFET3

A 12-inch car subwoofer rated at 400 W RMS with 99.2 dB sensitivity and a 2.5-inch voice coil

  • High sensitivity 99.2 dB delivers loud output with less power
  • 400 W RMS power handling sustains heavy bass without distortion
  • 12-inch cone with 532.4 cm² area moves more air for deeper lows
  • 5-inch voice coil on 80 oz magnet handles heat during long sessions
  • 51 Hz resonance suits sealed or vented enclosures from 28 to 91 litres

Eminence DELTA PRO-12A 12-in Car Subwoofer

The Eminence DELTA PRO-12A is a 12-inch car subwoofer rated at 400 W RMS and 800 W music program power. It features an 8-ohm nominal impedance and a 2.5-inch voice coil wound on an 80 oz magnet structure. The driver delivers 99.2 dB sensitivity and a usable frequency range of 52 Hz to 4.5 kHz, making it suitable for high-output bass reinforcement in vehicle audio systems.

Suited for installers building sealed

This driver suits installers building sealed enclosures of 28 to 35 litres or vented boxes of 31 to 91 litres. Its Thiele-Small parameters — including a Qts of 0.35 and Vas of 81.7 litres — support both alignment types. It is not for buyers needing a shallow-mount unit for tight spaces, nor for those requiring a driver optimised for mid-bass duties above the stated usable range.

Key spec: 4.6 mm Xmax defines linear output

The maximum linear excursion (Xmax) of 4.6 mm sets the practical displacement limit before distortion rises. With a cone area of 532.4 cm², this yields a peak diaphragm displacement volume (Vd) of 242 cc. Buyers chasing higher SPL at very low frequencies should verify this excursion meets their enclosure design goals.

Highlights

  • High sensitivity 99.2 dB delivers loud output with less power
  • 400 W RMS power handling sustains heavy bass without distortion
  • 12-inch cone with 532.4 cm² area moves more air for deeper lows
  • 5-inch voice coil on 80 oz magnet handles heat during long sessions
  • 51 Hz resonance suits sealed or vented enclosures from 28 to 91 litres

Specifications

No published specifications for this item yet.

Questions about this item

What enclosure volume does the 12-in DELTA PRO-12A need for a sealed box?

The manufacturer recommends 28 to 35 liters, or 1 to 1.25 cubic feet, for a sealed enclosure.

How do I wire the 8-ohm voice coil to my amplifier?

Connect the positive and negative terminals directly for an 8-ohm load; do not parallel or series the coil because it is a single 8-ohm winding.

When should I plan to replace the suspension on the 12-in driver?

The suspension is rated for the driver's mechanical limits of 4.6 mm linear and 13.7 mm maximum excursion; inspect it if output drops or distortion rises.

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