Ultimate Online "Phreak Box" (Enhanced Blue Box)

Both WAV and MP3 files are used.

This is a free online blue box, red box, and silver box. No installation or administrative rights required!

Use the buttons below to play 2600 Hz, SF tones, MF tones, DTMF tones, and coin denomination tones.
MF tones can also be played using the keyboard, as well as 2600Hz. Use K for KP, S for ST, and H for 2600 Hz.