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Car Audio
JBL  |  SKU: JBLSUBST122DAM
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JBL Stage 122D 12" Dual Voice Coil Car Subwoofer

Sale price $109.99 Regular price $131.99
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Key features

  • Subwoofer size: 12.0 inches
  • RMS power per subwoofer: 250 W
  • Voice-coil options: D4
  • Frequency response: 34 Hz–200 Hz
  • Sensitivity (2.83 V): 91 dB
  • Cone and surround: Polypropylene with rubber surround

Color

Description

Product Overview

Add deep bass to your car audio system with the JBL Stage 122D 12-inch dual voice coil subwoofer. Its 250W RMS power handling, polypropylene cone, and 2-ohm or 8-ohm wiring options give you flexibility when matching it to an amplifier.

JBL individually voices each subwoofer for consistent JBL bass character. The hi-roll rubber surround supports cone excursion, while the frequency response reaches from 34Hz to 200Hz.

Key Features & Benefits

  • Dual voice coil design: Choose 2 ohms in parallel or 8 ohms in series to suit your amplifier’s supported load.
  • 250W RMS power handling: Match the subwoofer with an amplifier rated 150–250W RMS at your chosen impedance.
  • Polypropylene cone: The lightweight, rigid cone is designed for accurate bass reproduction.
  • Hi-roll rubber surround: Supports cone excursion for deep, punchy bass.
  • 91dB sensitivity: The sensitivity rating describes the subwoofer’s output at the stated measurement conditions.

Technical Specifications

Specification Value
Brand JBL
Model Stage 122D
Size 12" (300mm)
Power Handling (RMS) 250W
Power Handling (Peak) 1,000W
Sensitivity (@ 2.83V/1m) 91dB
Frequency Response 34Hz – 200Hz
Voice Coil Dual Voice Coil (DVC)
Impedance (Parallel) 2 ohms
Impedance (Series) 8 ohms
Voice Coil Diameter 2" (50.8mm)
Cone Material Polypropylene
Surround Material Hi-Roll Rubber
Weight 4.5 kg

Why Choose This Product?

The Stage 122D shares the Stage 122’s cone, surround, power handling, and JBL-voiced character, with the added wiring flexibility of a dual voice coil. That lets you choose between a 2-ohm parallel connection and an 8-ohm series connection, based on the amplifier’s supported impedance and your system plan.

Choose a ported enclosure tuned to 35–40Hz for higher output with bass-heavy music. A sealed enclosure is recommended for tighter, more accurate bass.

Installation & Compatibility Notes

  • Amplifier match: Use a mono amplifier rated 150–250W RMS at the selected impedance.
  • Coil wiring: Parallel wiring gives a 2-ohm load; series wiring gives an 8-ohm load. Confirm the amplifier supports the resulting impedance.
  • Ported enclosure settings: The supplied guidance recommends an 80Hz low-pass crossover and a 30Hz subsonic filter for ported enclosures.
  • Wire guidance: The supplied recommendations specify 8 AWG or heavier speaker wire from amplifier to subwoofer, and 4-gauge power and ground wire to the amplifier.

The product information also describes bridging two amplifier channels across the coils as a possible system configuration. Confirm amplifier requirements and wiring before installation.

Frequently Asked Questions

What is the difference between the Stage 122 and Stage 122D?

The Stage 122 is described as a 4-ohm single voice coil model. The Stage 122D is dual voice coil and can be wired for 2 ohms or 8 ohms.

Should I wire the Stage 122D for 2 ohms or 8 ohms?

Parallel the coils for 2 ohms or connect them in series for 8 ohms. Choose the configuration your amplifier supports and that fits your system plan.

What amplifier rating is recommended?

The guidance recommends a mono amplifier rated 150–250W RMS at the chosen impedance.

Which enclosure should I use?

A ported enclosure tuned to 35–40Hz is recommended for higher output. A sealed enclosure is suggested for tighter, more accurate bass.

What are the subwoofer’s dimensions and weight?

It is listed as 12" (300mm) and weighs 4.5 kg. Check your enclosure’s available space and mounting requirements before installation.

Explore More

Shop for the JBL Stage 122D and other car audio products at 12 Volt Outlet. Want to learn more about JBL? Explore our JBL brand profile.

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Suggestions use 75–125% of the subwoofer’s RMS rating at the wiring load shown. Check wiring, enclosure needs, electrical capacity and installation space. Set gain and filters correctly to avoid overpowering the subwoofer. Buying more than one subwoofer changes the match.