“Great HKA Modded Roland TR-707 Drum Machine & Sequencer.
The HKA mod allows you to select 1 of 8 sound banks to use with sounds like Roland TR-707, TR-727, TR-808, TR-909, LinnDrum, LM-1, DMX, TR-707 + TR-727 mix. This is the newer version of the mod kit, allowing you to switch sound banks while the machine is still on.
Unit works well and sounds great.” Click here to visit listing on eBay