$149.00 AUD

Pulse (NSS-4) is a mini IR-Loader pedal with 3 different modes including EG CAB, BS CAB, and AG IR. You can switch the types by tapping the tap switch. Besides that, you can use Pulse as a silent practice tool (1/8" phone jack) in the end of your pedalboard and even as a USB recording interface onto DAW.


  • WAV format supports automatically. (through Pulse Editor)
  • 3 default IR types in the mini enclosure. (Total = 24slots)
  • Electric Guitar Cab IR: JZ120, DR112, BS410, A212, TR212, 1960, GB412, V412
  • Bass Guitar Cab IR: AGL DB810, AMP SV810, MKB 410, TRC 410, AMP SV410, Bassguy 410, Eden 410, AMP SV212
  • Acoustic Guitar IR: G HBird EG Mag, G J15 EG Mag, M D45 EG Mag, G HBird Pie, G J15 Pie, M D45 Pie, M HD28 Pie, T 814 Pie
  • 1024 samples real time calculation
  • True-bypass or Buffer-bypass
  • Supports Stereo
  • Low power consumption. (less than 100mA)
  • USB Audio Stream, Firmware Update
  • Pulse Editor for 3rd party IR loading, IR tweaking. (IR Level, Low Cut, High Cut)
  • Mini but mighty! It also supports Stereo input & output (Use 1/4" TRS plug, and choose Stereo mode)
  • The USB-C port is for firmware update. Connect USB cable to a PC and hold the footswitch to boot-up the device and to enter the DFU (Device Firmware Update) mode. Once connected you can do firmware updates using DFU updater software


  • Input Impedance: 1MΩ
  • Output Impedance: 10kΩ
  • Dynamic Range: 103 dB
  • DSP Processing: 48KHz / 32-bit
  • A/D D/A Sampling Rate: 48KHz / 24-bit
  • Power: 9V DC (Negative tip, Optional ACD-006A adapter)
  • Current Draw: Less than 100mA
  • Dimensions: 94 x 51 x 53mm (L x W x H)
  • Weight: 175g


Ampless? No worry, Pulse IR loader is the compact solution!

EG CAB means electric guitar cabinet IRs. Pulse offers 8 guitar cab IRs:

  • JZ120 (Roland Jazz 120)
  • DR112 (Fender Deluxe Reverb)
  • BS410 (Fender Bassman 410)
  • A212 (VOX AC30 212)
  • TR212 (Fender Twin Reverb 212)
  • 1960 (Marshall 1960A 412)
  • GB412 (Celestion Greenback 412)
  • V412 (Celestion Vintage30 412)


BS CAB means bass cabinet IRs. Pulse offers 8 bass cab IRs:

  • AGL DB810 (Aguilar DB 810)
  • AMP SV810 (Ampeg SV810)
  • MKB 410 (Mark Bass 410)
  • TRC 410 (Trace Elliot 410)
  • AMP SV410 (Ampeg SV410 + Tweeter)
  • Bassguy 410 (Fender Bassman 410)
  • Eden 410 (EDEN 410)
  • AMP SV212 (Ampeg SV212)


AG IR means acoustic guitar IRs. Pulse offers 8 acoustic guitar IRs:

  • G HBird EG Mag (Gibson Hummingbird for Electric Guitar Magnetic PU)
  • G J15 EG Mag (Gibson J15 for Electric Guitar Magnetic PU)
  • M D45 EG Mag (Martin D45 for Electric Guitar Magnetic PU)
  • G HBird Pie (Gibson Hummingbird for Acoustic Guitar Piezo under saddle PU)
  • G J15 Pie (Gibson J15 for Acoustic Guitar Piezo under saddle PU)
  • M D45 Pie (Martin D45 for Acoustic Guitar Piezo under saddle PU), M HD28 Pie (Martin HD28 for Acoustic Guitar
  • Piezo under saddle PU)
  • T 814 Pie(Taylor 814 for Acoustic Guitar Piezo under saddle PU)



  • You can download Pulse edit software on the product page. For the default slots, you can replace any 3rd party IRs into them.
  • Pulse editor will convert WAV format automatically.
  • You can setup the USB stream routing on Pulse editor.
  • For more operation tips and tutorials, you can search it on NUX EFX & Amplifier YouTube channel.
  • For MAC, there is no need for driver. For WIN, please visit the product page and click Support to download the related ASIO driver.


* All of the brand and model names mentioned on this page are Trademarks of their respective owners, which are in no way associated or affiliated with Pro Music Australia, NUX Effects and Cherub Technology CO. LTD.