Electro Harmonix / Small Stone Modified by Soul Power Instruments. No box. Price negotiation/bundle purchase possible. Modification details below: This is a modified product by SPI (Soul Power Instruments). Normally, a conversion jack is required when using an adapter or power supply, but the jack has been changed so that it can be used as is. Also, the red lamp that lights up when ON has been changed to a blue lamp for better visibility. Other modification details include a request to prevent the deterioration of bypass sound and reduce noise when connected.