http://www.audiomidi.com/common/cfm/pro ... ct_ID=4507
Edirol (Roland ED)
PCR-A30 = $319
USB bus powered 24-bit/96kHz audio interface & MIDI controller.
* 32 standard-sized keys with velocity sensitivity
* 27 full-assignable controllers (8 knobs, 8 sliders, 9 buttons, 2 pedals)
* 24 Bit high resolution output and DSP effects
* 1/4" phone Headphones jack
* 1/4 phone Line input jacks (L/R) and volume
* 1/4 phone RCA pin output jacks (L/R)
* S/P DIF optical output
* USB MIDI IN/OUT Interface
* USB Bus powered, no AC Adaptor required
* Built-in small monitor speakers
* Compatible with WindowsXP/2000/Me/98, MacOS9, OSX
* Intuitive software "PCR Editor" for Windows/Mac OS/Mac OS X
* Low Latency Driver support on PC & Mac.
* ASIO & WDM low latency driver support
The PCR-A30 can control a number of parameters not accessible from other controller keyboards at this price point; such as RPN, NRPN, SysEx.