Ampless? No worry, Pulse IR loader is the compact solution! 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. 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). Pulse IR-Loader offers True-bypass and Buffer-bypass (Trails), just hold the footswitch to boot-up the pedal (do not connect USB). The footswitch indicator will show you the bypass status. (While you boot-up the pedal, if the FS indicator flashes “Green”=BF, “Red”=TB.) Mini but mighty! It also supports Stereo input & output. (Use 1/4” TRS plug, and choose Stereo mode.) You can download Pulse edit software on the product page. For the default slots, you