Pricing and availability

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Average Price: $91

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$200

$501+

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Price History

Based on price data from 2 merchants for "NuX NSS-4 Pulse IR Loader". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The NuX NSS-4 Pulse IR Loader is a compact powerhouse designed to elevate your guitar and bass experience. Whether you're practicing silently at home or crafting studio-quality tracks, this pedal has you covered. With its miniature size and versatility, the Pulse IR Loader is perfect for musicians on the move, offering three distinct modes: EG CAB, BS CAB, and AG IR, which cater to electric guitar, bass guitar, and acoustic guitar, respectively.

Switch effortlessly between modes and explore the rich variety of cabinet impulse responses (IRs) at your fingertips. The electric guitar mode features eight classic cab IRs, including favorites like the Marshall 1960A 412 and the Fender Deluxe Reverb. Bassists will appreciate the deep tones available with IRs such as the Ampeg SV810 and the Trace Elliot 410. Acoustic players aren’t left out, with options tailored for both magnetic and piezo pickups, including models from Gibson and Martin.

The NuX NSS-4 is more than just an IR loader; it's a silent practice tool with a 1/8" headphone jack and a USB interface for seamless DAW recording. The pedal supports true-bypass and buffer-bypass (Trails) modes, ensuring your signal remains pristine. With stereo input and output capabilities, this pedal can handle complex setups with ease, making it an essential tool for any modern guitarist or bassist.

Key Features:

  • Three modes: EG CAB, BS CAB, AG IR
  • 8 electric guitar cab IRs including Marshall 1960A 412
  • 8 bass cab IRs including Ampeg SV810
  • 8 acoustic guitar IRs for magnetic and piezo pickups
  • True-bypass and buffer-bypass (Trails) modes
  • Stereo input and output
  • USB recording interface
  • Compact size for easy portability

Product specs

Brand NuX
Model NSS-4 Pulse IR Loader
Finish Pink
Year 2022 - 2025
Made In China
Categories Multi-Effects Pedals and Processors
Pedal Format Mini

FAQs

What is the primary function of the NuX NSS-4 Pulse IR Loader?

The NuX NSS-4 Pulse IR Loader is designed to simulate amp and cabinet sounds, allowing guitarists to achieve various tones without using physical amplifiers or cabinets.

Can the NuX NSS-4 Pulse IR Loader be used with both electric and bass guitars?

Yes, the NuX NSS-4 Pulse IR Loader is versatile enough to be used with both electric and bass guitars, offering a wide range of tonal possibilities for different instruments.

How many impulse responses can the NuX NSS-4 Pulse IR Loader store?

The NuX NSS-4 Pulse IR Loader can store up to 9 impulse responses, allowing users to switch between different amp and cabinet simulations easily.

Does the NuX NSS-4 Pulse IR Loader require a specific power supply?

The NuX NSS-4 Pulse IR Loader requires a standard 9V DC power supply, commonly used for many guitar pedals, ensuring easy integration into most pedalboards.

Is the NuX NSS-4 Pulse IR Loader suitable for live performances?

Yes, the compact design and robust sound capabilities of the NuX NSS-4 Pulse IR Loader make it an excellent choice for live performances, providing consistent and reliable tone shaping on stage.

Sean Pierce Johnson

Sean Pierce Johnson

NUX Pulse Mini IR Loader & Stereo Cab Sim | Stompbox Saturday

Video thumbnail for NUX Pulse Mini IR Loader & Stereo Cab Sim | Stompbox Saturday by Sean Pierce Johnson

NUX Pulse Mini IR Loader & Stereo Cab Sim | Stompbox Saturday

Sean Pierce Johnson

Sean Pierce Johnson

Video thumbnail for NUX Pulse (NSS-4) Mini IR Loader Demo by @popintothechemist by NUX

NUX Pulse (NSS-4) Mini IR Loader Demo by @popintothechemist

NUX

NUX

Video thumbnail for NuX Pulse mini IR-Loader by Mike Hermans

NuX Pulse mini IR-Loader

Mike Hermans

Mike Hermans

Video thumbnail for IR Loader NUX Pulse | Models, Bass, Electric and Acoustic CABS! by Derek Paul Guitar

IR Loader NUX Pulse | Models, Bass, Electric and Acoustic CABS!

Derek Paul Guitar

Derek Paul Guitar

Video thumbnail for NUX Pulse (NSS-4) Mini IR Loader test by Jimmy Lin (No Talking) by Jimmy Lin - JL Music Studio -

NUX Pulse (NSS-4) Mini IR Loader test by Jimmy Lin (No Talking)

Jimmy Lin - JL Music Studio -

Jimmy Lin - JL Music Studio -

Video thumbnail for NUX Pulse (NSS-4) IR Loader Review by MonkCustom

NUX Pulse (NSS-4) IR Loader Review

MonkCustom

MonkCustom

Video thumbnail for Turn any pedals into an amp rig: NUX Pulse (NSS-4) by The Tone Lounge

Turn any pedals into an amp rig: NUX Pulse (NSS-4)

The Tone Lounge

The Tone Lounge

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about NuX NSS-4 Pulse IR Loader.

Features and functionality

  • The headphone output is robust, effectively driving high-impedance headphones like AKG and Beyer Dynamic models.

    Source
  • USB audio routing enables recording a dry signal while monitoring with an IR applied.

    Source
  • The NuX Pulse offers stereo IR-based cab simulation with 24 IR slots and switchable mono or stereo in/out, accommodating various audio setups.

    Source
  • Equipped with TRS jacks, the Pulse can operate in stereo, a feature not immediately obvious but crucial for stereo effects chains.

    Source
  • The NSS-4 Pulse can handle high input signals without distortion, making it suitable for more dynamic performances.

    Source
  • The Pulse's TRS jacks confirm true stereo operation, a critical feature for complex stereo effect chains.

    Source

Software and compatibility

  • The pedal functions with a laptop without needing drivers, simplifying setup and use.

    Source
  • Factory IRs can be restored without prior manual saving, offering convenience for users.

    Source
  • The NuX Pulse can connect to iOS devices out of the box, indicating class-compliant operation, though it may not fully replace a traditional audio interface.

    Source

User experience

  • The Space knob requires activation through the PC software for functionality, which is not immediately obvious.

    Source
  • Some users find the NSS-4 Pulse's micro housing advantageous for limited pedalboard space, emphasizing its portability.

    Source

Comparisons

  • Compared to the Flamma Cab pedal, the Pulse offers lower latency, enhancing performance in live settings.

    Source
  • Users have noted that the Pulse offers a solution for stereo setups, unlike the previously released NUX Mini Studio, which was mono and had clipping issues.

    Source
  • The Mooer Cab X2 offers more presets than the Flamma FS07 Cab, but neither includes power amp simulation.

    Source

Use cases and applications

  • It can output guitar signals to a DAW and input backing tracks from a device, making it versatile for home recording setups.

    Source
  • The Pulse is noted for couch practice setups, offering convenient headphone connectivity directly from the pedalboard.

    Source

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Artist usage

Add artist
See how Dylan Carlson uses NuX NSS-4 Pulse IR Loader

Dylan Carlson

Guitarist

Earth

...
Verified via Photo

On this Instagram post, Dylan Carlson shows his new mini pedalboard, which includes the Nux NSS-4 IR Loader.

See how Yarik (Satoruu) uses NuX NSS-4 Pulse IR Loader

Yarik (Satoruu)

Singer, Guitarist

...
Verified via Photo

In this photo from Yarik's Telegram channel you can see him using a Nux NSS-4 Pulse IR pedal for a recording.

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use NuX NSS-4 Pulse IR Loader, it is most commonly used with the following gear.

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