Walrus Audio Mako Series MKII - D1 High-Fidelity Delay Pedal Loudspeakers Inside the 40TW pickup are

Inside the 40TW pickup are both single and dual-coil pickups

and a vast range of audio equipment including microphones

As you can see from the specs

COMPACT CONVENIENCE

Walrus Audio Mako Series MKII - D1 High-Fidelity Delay Pedal Loudspeakers Inside the 40TW pickup areThe D1 MKII is a feature packed, high fidelity all in one delay pedal with six algorithms for players to choose from: Digital, Mod, Vintage, Dual, Reverse, and Grain. The D1 can create inspirational delay trails ranging from dreamlike and bizarre, to rhythmic and clear, to warm and analog sounding. New Features: Six carefully crafted delay algorithms to meet the needs of any guitar player Complete BPM control for the user with readout on screen Up to