JBL DSP2544 DSP AMPLIFIER 2544 RMS 25 X 4 @ 4 Ohms 6-Channnel Amplifier

Product Overview

The JBL DSP Amplifier is an audio processor for fine-tuning of aftermarket audio systems. It is a self-contained audio system with 4-channel powered audio outputs and 2-channel preamp outputs, an easy-to-use tuning interface a novice can understand, and detailed tuning capabilities to satisfy even experienced installers. With a USB connection to access the tuning interface using a Windows PC, you can control fully variable crossovers, selectable 0-to-48 dB slopes, time delay, 31-band parametric or graphic EQ adjustment, assignable input-to-output mixer with input channel summing, channel gain, master volume control, clipping indicator to ensure the audio output is not distorted, and ability to save up to 10 presets.

Specifications:

• RMS Power Output (Watts x Channel) @ 4-ohm: 25W x 4

• RMS Power Output (Watts x Channel) @ 2-ohm: 35W x 4

• Amplifier Class: Class A/B

• Battery Voltage Range (Volts): 8V to 16V

• Selectable Turn-on Modes: 12V, Audio Signal Sense, DC Offset, 12V remote output

• LED Indicator: red/green

• Frequency Response: 10Hz to 22kHz @ -3dB

• Signal-to-Noise Ratio: >80dB

• Signal-to-Noise Ratio (CEA-2006): 68dB

• THD+N @ 4-ohm: <10%

• Input Sensitivity, selectable: High-level or low-level

• Input Sensitivity – Low Level: 680mV to 6V

• Input Sensitivity – High Level: 1.6V to 15V

• Channel 5 & 6 pre-out voltage: 4V

• Variable Crossovers: All Channels: HPF, LPF, Band-pass w/ selectable 0 to 48dB slope

• Gain, variable: All Channels with PC

• Subwoofer level, variable: Channels 5 & 6 in PC software or using accessory remote control from -30dB to +6dB

• Fuse Rating: 15A

• Minimum Recommended Power/Ground Wire Gauge: 8awg

• Speaker Level Inputs: Yes

• Remote Bass Control: Yes, JBL RBC sold separately

• Length: 9-3/8″ (237.5mm)

• Width: 5-11/16″ (144mm)

• Height: 1-15/16″ (49.5mm)

• Weight: Approx. 1000g

• Protection: DC, OVP, UVP, OCP, OTP

What's in the box:

• 1x amplifier

• 4x tie wraps

• Stainless steel

• mounting hardware

• 1x spare fuse

• 2x JBL stickers

• 1x power/speaker cable

• 1x USB to PC cable

• 1x owner’s manual

Frequently Asked Questions (FAQ)

Q: Can I connect the JBL DSP2544 to my vehicle's original factory head unit?

A: Yes! The JBL DSP2544 features high-level speaker inputs, allowing it to connect directly to the speaker wiring of your factory stereo without needing separate line-out converters (LOCs).

Q: What are the extra 2 processed channels used for if this is a 4-channel amplifier?

A: The unit processes 6 channels total. While channels 1–4 power your front and rear door speakers directly, channels 5 and 6 provide line-level RCA pre-outs so you can add an external powered subwoofer or dedicated mono amplifier to your system while still applying DSP equalization and time alignment.

Q: How do I tune the equalizer and crossover settings on the DSP2544?

A: You connect a Windows laptop to the amplifier via the built-in USB port and use JBL's free downloadable DSP software. The software allows you to adjust the 31-band EQ, set crossover slopes, and calibrate time alignment delays in real time.

Q: Is 25W RMS per channel enough power to make a noticeable difference?

A: Absolutely. Standard factory stereos typically put out only 7 to 12 watts RMS per channel with high distortion. 25W RMS of clean power combined with digital signal equalization provides significantly higher volume, punchier mid-bass, and crystal-clear sound stage detail.