SounDigital 2400.4 XP - 4Ω or 2Ω Amplifier
SounDigital 2400.4 XP - 4Ω or 2Ω Amplifier
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SounDigital 2400.4 XP 4-Channel Amplifier, 4Ω or 2Ω, for Motorcycle Audio
The SounDigital 2400.4 XP is a compact 4-channel amplifier rated up to 600 watts RMS x 4 and 1200 watts RMS x 2 bridged, offered in 4Ω and 2Ω versions. It gives fairing, lid and midbass speakers real power from a chassis made for tight installation areas.
High-Output 4-Channel Power for Bagger Audio
Four channels of high power with bridging and adjustable high-pass and low-pass filters.
- Up to 4 x 600 watts RMS (4Ω version at 2Ω)
- Bridges to 2 x 1200 watts RMS
- HPF / LPF 45Hz–850Hz, 12dB/octave
Key Product Details
| Product | SounDigital 2400.4 XP 4-Channel Amplifier |
| Amplifier Type | Compact 4-channel amplifier |
| Versions | 4Ω or 2Ω (select your version) |
| Best For | Fairing, lid and midbass speakers, and bridged speaker pairs in motorcycle audio systems |
| Peak Rating | 4 x 600 watts RMS (4Ω version at 2Ω, 2Ω version at 1Ω) |
Always verify speaker impedance, wiring layout, fuse size, amplifier placement, gain structure, charging system capacity, and final system design before ordering or installing this amplifier.
Serious Four-Channel Power in a Compact Chassis
The 2400.4 XP drives upgraded 6.5-inch speakers, 6x9 speakers, coaxials and midbass drivers with serious output. SounDigital builds the XP series with high-quality components and a compact design made for tight installation areas.
Pick the 4Ω version for 4Ω or 2Ω loads, or the 2Ω version when your wiring plan goes down to 1Ω. Bridge a pair of channels for midbass or subwoofer duty.
Power and Performance Specifications
| RMS Power, 4Ω Version | 4 x 396 watts @ 4Ω / 4 x 600 watts @ 2Ω |
| Bridged Power, 4Ω Version | 2 x 1200 watts @ 4Ω |
| RMS Power, 2Ω Version | 4 x 261 watts @ 4Ω / 4 x 396 watts @ 2Ω / 4 x 600 watts @ 1Ω |
| Bridged Power, 2Ω Version | 2 x 792 watts @ 4Ω / 2 x 1200 watts @ 2Ω |
| Frequency Response | 5Hz–24kHz (4Ω version) / 5Hz–22kHz (2Ω version), -3dB |
| Signal-to-Noise Ratio | 92dB (4Ω version) / 100dB (2Ω version) |
| Damping Factor | 200 (@100Hz nominal impedance) |
| Crossovers | High-pass and low-pass, 45Hz–850Hz, 12dB/octave |
| Operating Voltage | 9V–16V |
| Current Draw | 98A music / 195A max |
| Recommended Fuse | 120A for music use |
| Dimensions (W x L x H) | 8.99" x 5.35" x 2.22" |
| Weight | 4.18 lb |
Recommended System Planning
Match the 2400.4 XP to speakers that can handle its power at your final impedance. Use correctly sized OFC power and ground wire, a battery-side fuse, a clean signal input, and a real tuning plan for the crossovers and gains.
If you are unsure which version fits your speaker load, or whether your charging system can support this amplifier on your bike, contact Garage Bagger Stereo before ordering.
What to Pair With the 2400.4 XP
These parts help you wire, load and tune the amplifier correctly.
Amplifier Installation Parts
Power kits, fuses, wiring and mounting parts for motorcycle amplifier installs.
Motorcycle Coaxial Speakers
Fairing and lid speakers to match a 4-channel amplifier.
Motorcycle DSP
Tune the system with a digital sound processor built for Harley-Davidson audio.
SounDigital XP Amplifiers
Add an XP monoblock for the bass.
Related Amplifier & Motorcycle Audio Paths
Build the system around the correct amplifier, speakers, DSP, wiring, and installation parts. These related collections help match the 2400.4 XP with the right bagger audio upgrade path.
Best Use for the 2400.4 XP
Choose it for builds that need strong four-channel power for fairing speakers, saddlebag lids, midbass, or bridged pairs.
Designed Around Real Motorcycle Audio
Motorcycle audio is different from car audio. Wind noise, road speed, speaker placement, electrical load, limited mounting space, and heat management all matter. This amplifier belongs in systems where the speakers, wiring, fusing, and tuning plan are matched correctly.
SounDigital 2400.4 XP FAQ
How much power does the 2400.4 XP make?
The 4Ω version is rated 4 x 396 watts RMS at 4Ω and 4 x 600 watts at 2Ω, or 2 x 1200 watts bridged at 4Ω. The 2Ω version is rated 4 x 261 watts at 4Ω, 4 x 396 watts at 2Ω and 4 x 600 watts at 1Ω, or 2 x 792 watts bridged at 4Ω and 2 x 1200 watts bridged at 2Ω.
Should I choose the 4Ω or 2Ω version?
Choose the version that matches your final speaker load. The 2Ω version is rated for loads down to 1Ω. If you are unsure, call us or start a build consultation.
Does it have built-in crossovers?
Yes. It has high-pass and low-pass filters adjustable from 45Hz to 850Hz at 12dB per octave.
What fuse does it need?
SounDigital lists a 120A recommended fuse for music use. Current draw is 98A for music and 195A maximum.
How big is it?
It measures 8.99 inches wide by 5.35 inches long by 2.22 inches high and weighs 4.18 lb.
What else do I need to run the 2400.4 XP?
Plan for correct fusing, a suitable battery and charging system, speakers matched to the impedance you wire, clean signal input, and a tuning plan such as a DSP. Garage Bagger Stereo can help you match the parts to your bike.
Does Garage Bagger Stereo install the 2400.4 XP?
Garage Bagger Stereo offers motorcycle audio installation at our Taylors, SC shop and can help you plan a DIY install. Start a Build Consultation or call 864-334-6131 to check scheduling.
Need Help Choosing?
Tell us your bike, model year and what you want to add, and we will confirm fitment and the right parts before you order.