JBL

Stadium 4

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High-performance multi-channel Class D amplifier

$374.95374.95 each
$499.95 Save 25%
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Class D Design

Class D Design

Every Stadium amplifier, including the full-range models, features high-efficiency Class D topology. This technology allows JBL to engineer amplifiers that are more compact, generate less heat, and draw less current from the vehicle's electrical system.

Low Distortion

Low Distortion

JBL Stadium amplifiers have been engineered to deliver the lowest distortion possible, enhancing the audio experience regarldess of output level.

Full On-Board Protection

Full On-Board Protection

JBL Stadium amplifiers have on-board circuitry to protect from shorts, temperature, overvoltage and undervoltage. An LED indicator is included on all five models to let the user know when one of these conditions exists.

Proprietary High-Conductivity Terminals

Proprietary High-Conductivity Terminals

All JBL Stadium amplifiers come equipped with newly introduced E.A.R.L terminal for better grounding. For 5-channel and mono amplifiers, adapter connector is available in the box for easy installation.

Compact footprint

Compact footprint

With it becoming more and more difficult to find spacious locations for amplifier mounting, JBL Stadium amplifiers have been developed in a small compact form factor to allow more location versatility.

Sleek design

Sleek design

Sometimes, an amp can be as stylish as it is powerful. JBL Stadium amplifiers have a clean, streamlined industrial design.

Full-Range Line Outputs

Full-Range Line Outputs

The full-range Stadium amplifiers (Stadium 5, Stadium 4 and Stadium 2) include full-range line outputs. This allows the audio signal to be routed to additional amplifiers or self-powered subwoofer solutions, increasing your system configuration options.

Uncover Great Sound (The Unveiling of Sound)

Stadium mono and full-range, multi-channel amplifiers deliver the efficiency and power you expect from Class D amplifiers – and the performance you expect from JBL. The comprehensive all new E.A.R.L terminal and power adapter (5-channel & mono block) enables easy installation and optimized performance. For the 5-channel and mono amplifier models, the remote bass control allows the user to increase and decrease bass output independent of head unit tone controls. The industrial design not only provides an elegant look, but also enhances power dissipation to ensure long term reliability. Stadium amplifiers give you power to shape your car audio experience in new ways.

Item# STADIUM4AM

General Specifications

High-performance, full-range, 4-channel Class D car audio amplifier Yes
Max Power 1500W Peak
Power Output, 4Ω 100Wrms x 4, <0.1% THD+N
Power Output, 2Ω 120Wrms x 4, <0.1% THD+N
Power Output, 4Ω Bridged 240Wrms x 2, <0.3% THD+N
Signal-to-Noise Ratio >=80dB (ref 1 W output @ 4Ω)
High Efficiency, Low Distortion Class D Design Yes
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Spec Sheet (EN)

English 701 KB
  • 1x Amplifier
  • 4x Differential Speaker-Level Adapter
  • 2x Spare Fuses
  • 4x Philip Screws
  • 1x E.A.R.L Terminal
  • 3x Self-Tapping Screws
  • 1x Owner’s Manual
product box

Manuals & Downloads

The latest owner's manuals, quick start guides, and documents.

Owners Manual (Multilingual)

30 MB

Spec Sheet (EN)

701 KB

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