JBL Stage Amplifier A9004

Class D Car Audio Amplifier
Sign up to get notified when this product is back in stock

Product Description


Value Engineered
Stage amplification provides true JBL performance at an affordable price while now lacking the features needed to properly tune and optimize performance.
JBL is one of the greatest audio brands in the world. This is not a coincidence given the arduous testing and quality control. We take our craft seriously and want every consumer to have a world class experience that lasts and lasts.
Input Level Control
When Low-level inputs are used, this control adjusts the input sensitivity between 200mVrms and 5.0Vrms. When High-level inputs are used, this control adjusts the input sensitivity between 0.5Vrms and 15Vrms.
Switchable bass EQ
This provides an avaiable bass boost at 45Hz of 6dB or 12dB, serving as a great tool to optimize subwoofer and loudspeaker performance based on location and enclosure type.
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.
Cool industrial design
Black with deep grooves, silver silkscreen, anodized JBL badge top-center with orange end panels and bottom.
Crossover mode switch
LPF crossover controls is switchable between 0dB to 12dB at 45 Hz giving user ability to adjust sound to the environment and/or application.
Crossover control gives user additional fine tuning
Adjusts the crossover turnover frequency between 32Hz and 320Hz. (One knob for each stereo pair.)
Our Point of View
JBL believes that life is defined by what you experience. Music helps people have experiences that are more extraordinary, by fully immersing them in each moment. To help people have rich experiences, JBL creates full-on sound that draws people in and heightens the feeling. JBL is dedicated to delivering sound that elevates life.
JBL Stage Amps are available in a variety of configurations, delivering the right power and number of channels for full-range and subwoofer applications. For more than four decades, JBL has made the audio experience a lot more satisfying for the car audio enthusiast. With a broad array of loudspeakers, amplifiers and subwooers available, you can drive with ease and exhilaration. These compact amps are equipped with all the important inputs and user controls including a bass EQ as well as LPF and HPF crossover controls for tailoring sound to suit the characteristics of different vehicles. The Stage Amps are easily installed and amazingly reliable—and once they turn on, they'll make a transducer sit up and sing.

Technical Specifications

Additional Information

Show Buy Now Button Yes
SD Card test

Technical Specifications

Stage Amplifier A9004
General Specifications
ProtectionDC, OVP, UVP, OCP, OTP
Frequency Response20-20kHz±1dB
Power Output90Wx4@4ohms
Audio Specifications
Input Sensitivity0.2V-5V
High Pass Filter, Variable32-320Hz
Low Pass Filter, Variable32-320Hz
Bass EQ@45Hz0-12dB
What's in the box
1x Amplifier
Spare Fuse
High-level input cable
1 x Owner’s manual


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


Write Your Own Review

Only registered users can write reviews. Please, log in or register