JBL Stage GT 60041 4-Channel Class-D Car Amplifier
Description
Description
The JBL Stage GT 60041 4-Channel Class-D Car Amplifier puts out 65W RMS x4 at 4 ohms, 90W RMS x4 at 2 ohms, or 180W RMS x2 bridged at 4 ohms — up to 1,240W peak — in a compact chassis built for real-world installs. Class-D efficiency, onboard bass EQ, variable crossovers, full protection circuitry, and OEM/start-stop compatibility make this a versatile foundation for any speaker upgrade from a single pair to a full 4-speaker system.
The Stage GT 60041 runs in Class-D, the most thermally efficient amplifier topology available — less heat generated means a smaller chassis, lower current draw, and more reliable long-term operation in tight install locations. Power output scales cleanly across impedance loads: 65W RMS x4 at 4 ohms for standard component or coaxial setups, 90W RMS x4 at 2 ohms for lower-impedance speakers like JBL's 3-ohm Club and Stadium Series drivers, and 180W RMS x2 bridged at 4 ohms for driving a subwoofer or a high-powered front stage. Frequency response is flat from 20Hz to 20kHz (±1dB) with THD+N at 1% at rated output power. The onboard variable bass EQ at 45Hz (0–12dB boost) lets you add low-end punch without a separate processor. The variable high-pass and low-pass crossover (32Hz–320Hz) handles speaker protection and subwoofer integration in one. Input sensitivity covers both high-level (0.2V–5V) and low-level (1V–25V) inputs for seamless integration with factory head units or aftermarket sources. Full protection suite covers short circuit (DCP), overvoltage (OVP), undervoltage (UVP), overcurrent (OCP), and overtemperature (OTP). Operating voltage range of 9V–16V ensures compatibility with modern start-stop vehicle electrical systems.
The Stage GT 60041 is an ideal amplifier for powering a full 4-speaker system — front and rear coaxials or a front component set plus rear fill. Bridge it to 2 channels to drive a subwoofer alongside a separate 2-channel amp for the front stage. Compact enough to mount under a seat, behind a panel, or in a trunk. Pair with JBL Stage3 or Club Series speakers for a matched JBL system with consistent sonic character.
Why Choose the JBL Stage GT 60041?
- Class-D Efficiency: Maximum power output with minimum heat generation — compact chassis, lower current draw, reliable long-term operation in tight install locations.
- Flexible Power Modes: 65W RMS x4 at 4Ω, 90W RMS x4 at 2Ω, or 180W RMS x2 bridged at 4Ω — adapts to your speaker configuration and impedance load.
- Variable Bass EQ (0–12dB @ 45Hz): Add low-end punch without a separate processor — tunable from flat to +12dB at 45Hz.
- Variable Crossover (32Hz–320Hz): Onboard high-pass and low-pass filtering for speaker protection and subwoofer integration in one control.
- High & Low Level Inputs: Connects to factory head units (high-level) or aftermarket sources (low-level) without an additional line output converter.
- Full Protection Suite (DCP, OVP, UVP, OCP, OTP): Comprehensive protection against short circuits, voltage spikes, overcurrent, and overtemperature — the music never stops.
- Start-Stop Vehicle Compatible: 9V–16V operating range handles the voltage fluctuations of modern start-stop electrical systems without shutting down.
- JBL Industrial Styling: Signature Stage GT aesthetic — looks as good as it sounds when the trunk lid goes up.
Wiring & System Recommendations
Use 4-gauge power and ground wire for runs up to 12 feet; step up to 2-gauge for longer runs or high-demand installs. Fuse rating is 20A x2 (40A total) — fuse within 18 inches of the battery. For a full 4-speaker system, run the amp in 4-channel mode with the crossover set to high-pass at 80–100Hz to protect your speakers from low-frequency content. To add a subwoofer, bridge channels 3+4 to drive a mono sub load and use channels 1+2 for the front stage. Pair with JBL Stage3 or Club Series speakers for a matched system. A DSP processor between the head unit and amp will add time alignment and active crossover control for a significant performance upgrade.
Full Specifications
| Specification | Value |
|---|---|
| Brand | JBL |
| Model | STAGE GT 60041 |
| Amplifier Class | Class-D |
| Channels | 4 |
| Power Output (4Ω) | 65W RMS x4 |
| Power Output (2Ω) | 90W RMS x4 |
| Power Output (Bridged 4Ω) | 180W RMS x2 |
| Peak Power | 1,240W |
| Frequency Response | 20Hz – 20kHz (±1dB) |
| THD+N @ ROP | 1% |
| Input Sensitivity (Low) | 1V – 25V |
| Input Sensitivity (High) | 0.2V – 5V |
| Crossover (Variable) | 32Hz – 320Hz (HP/LP) |
| Bass EQ | 0 – 12dB @ 45Hz |
| Protection | DCP, OVP, UVP, OCP, OTP |
| Operating Voltage | 9V – 16V |
| Fuse Rating | 20A x2 |
| Shipping Weight | 2.2 kg |
Frequently Asked Questions
Q: Can I use the Stage GT 60041 with my factory head unit?
A: Yes — the high-level input (0.2V–5V) connects directly to your factory speaker outputs without a line output converter. This makes it one of the easiest amplifiers to integrate into an OEM system.
Q: Can I bridge the Stage GT 60041 to run a subwoofer?
A: Yes — bridge channels 3+4 for 180W RMS at 4 ohms to drive a subwoofer, and use channels 1+2 in stereo for the front stage. Set the low-pass crossover on the bridged channels and high-pass on the front channels for a clean system integration.
Q: Is the Stage GT 60041 compatible with start-stop vehicles?
A: Yes — the 9V–16V operating voltage range is specifically designed to handle the voltage fluctuations of modern start-stop electrical systems without shutting down or causing noise.
Q: What speakers pair best with the Stage GT 60041?
A: JBL Stage3 and Club Series speakers are the natural match — the 2–4 ohm stable output pairs perfectly with JBL's 3-ohm Club and Stadium Series drivers. At 90W RMS x4 into 2 ohms, you're delivering close to the rated power of most JBL Club Series component systems.
