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MUSWAY - 540W - NX125.4 - 4 CHANNEL AMPLIFIER
MUSWAY - 540W - NX125.4 - 4 CHANNEL AMPLIFIER
MUSWAY - 540W - NX125.4 - 4 CHANNEL AMPLIFIER
MUSWAY - 540W - NX125.4 - 4 CHANNEL AMPLIFIER

MUSWAY - 540W - NX125.4 - 4 CHANNEL AMPLIFIER

by MUSWAY
| SKU: NX125.4
$639.99 - $639.99
$639.99 Save $110.04 Save $0.00
$529.95
$639.99
$529.95 - $529.95
$529.95
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Product Specifications

Power RMS @ 13.4 V (≤1% THD+N)
Watt @ 4 Ohm 4 x 80
Watt @ 2 Ohm 4 x 135
Watt @ 4 Ohm bridged 2 x 270
Power RMS (DHR)*
Watts @ 2 Ohms per channel 170
Frequency Range 10 - 40000 Hz @ -1 dB
Signal-to-noise Ratio > 99 dB
THD+N @ 5 W < 0.02 %
Input Sensitivity 425 mV - 8.0 V
Filter Section CH1/CH2
Low Pass Filter or High Pass Filter 50 - 5000 Hz
Filter Section CH3/CH4
Low Pass Filter or High Pass Filter 50 - 5000 Hz
Operating Voltage 8.5 - 16.5 V (max. 5 sec. down to 7 V)
Start-stop Capability: Yes
High Level Input with EPS: Type D
Auto Turn-on: Yes
Bass Level Remote Controller CH3/CH4: NA
Fuse (external): 50 A
Dimensions
Width 89 mm
Height 41 mm
Length 148 mm

Product Overview

🔹 Why Choose the NX125.4?

🔹 Powerful 4-channel output in a compact body
🔹 Clean, dynamic sound with audiophile-grade clarity
🔹 Flexible crossover tuning
🔹 OEM-friendly integration
🔹 Reliable performance for daily drivers and custom builds

 

Product Description

⚡ NX125.4 4-Channel Class D Amplifier

Compact Power. Precision Control. Pure Sound.

The NX125.4 is a high-efficiency 4-channel digital Class D amplifier designed for modern car audio systems that demand strong output, clean sound, and flexible tuning — all in a compact, installer-friendly size.

Whether you’re upgrading factory speakers, running high-performance components, or bridging channels for more power, the NX125.4 delivers smooth, distortion-free performance with full system control.

Return Policy:

At Lifestyle Cycles we want your experience with us to be that of pleasure and our service to be equalled by none. Buying parts and accessories for your bike should be quick, simple and easy! We are also riders and builders! We know that you may not be ready to install the parts and accessories right when you get them. With that in mind, we have a 60-day return policy, which means you have 60 days after receiving your item to request a return.

Read our full return policy here.

Shipping Info:

At Lifestyle Cycles we want your experience with us to be that of pleasure and our service to be equalled by non. Buying parts & accessories for your bike should be quick, simple & easy! We are also riders and builders. We know that you want your parts & accessories as quickly as possible.

Read our full shipping policy here.

MUSWAY - 540W - NX125.4 - 4 CHANNEL AMPLIFIER

$639.99 $529.95

Overall rating: 5.0 / 5 from 5 reviews.

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Reviews

Sent it back. The radio

"Sent it back. The radio is more than enough. Im sure its great"

— Chad N. (5/5)

Not sure I don’t have

"Not sure I don’t have it put back together yet hopefully by the time the weather breaks it’ll be ready to ride"

— Tracy S. (5/5)

Perfect customer service

"Perfect customer service. What a business is all about."

— Steve D. (5/5)

700.4 amp

"Awesome powerful little amp I was shocked at the size works fantastic and very user friendly set up"

— Richard B. (5/5)

I think the speaker's that you requested to come with that Amr

"I think the speaker's that you requested to come with that Amr.Too small wattage speaker to handle the amplifier"

— Walter (5/5)

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