About: JBL Stage A6004 Class D 4-Channel Car Amplifier

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 subwoofers 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. 

Value Engineered

Stage amplification provides true JBL performance at an affordable price while now lacking the features needed to properly tune and optimize performance.  

Compact Footprint

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

Full On-Board Protection

Stage amplification has on-board circuitry to protect them from shorts, temperature, overvoltage and undervoltage. An LED indicator is included on all four models to let you know when once of these conductions exists. 

Reliability

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 controls adjusts the input sensitivity between 200mVrms and 6.0Vrms. When High-level inputs are used, this control adjusts the input sensitivity between 0.5Vrms and 15 Vrms. 

Switchable bass EQ

This provides and available bass boast at 45Hz of 6dB or 12dB, serving as a great tool to optimize subwoofer and loudspeaker performance based on location and enclosure type.  

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 ad 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. 

Specifications: 

• Power Output: 60W x 4 @ 4 ohms
• Frequency Response: 20-20kHz±1dB
• THD@ROP: 1%
• Input Sensitivity: 0.2V - 5V
• High Pass Filter, Variable: 32 -320Hz
• Low Pass Filter, Variable: 32 -320Hz
• Bass EQ@45Hz: 0-12dB
• Protection: DC, OVP, UVP, OCP, OTP

What's in the Box: