Product Detail 24-bit/96kHz linear PCM high-resolution, low-noise recording High-grade, high-sensitivity stereo condenser microphone built i Records to SD or SDHC memory card (Up to 8 GB) Preview speaker built in Wireless remote controller included . The "Edirol R-09HR High-Resolution WAVE/MP3 Recorder" is best product for you. We recommended Edirol R-09HR High-Resolution WAVE/MP3 Recorder