Zoom R24 Multitrack Recorder Features:
Over 100 studio-quality effects including guitar amp models and mastering effects
Records on up to 32GB SDHC cards for maximum recording time
8 balanced XLR-1/4-inch combination inputs
Records in WAV 48kHz/44.1kHz at 16-bit or 24-bit
Easily viewable 4-segment LED meter bridge
6-channel simultaneous 48V phantom-power supply capability
Over 4 hours of operation using 6 AA alkaline batteries (AC adapter included)
Sync two R24s via USB for 16 tracks of simultaneous recording
High-definition 24-bit/96kHz recording capability using digital audio software
8 in / 2 out (8 x 2) via USB
Full mixing and transport controls for Cubase, Logic, SONAR, and more!
USB Control Surface uses Mackie Control emulation
Pad sampler with 24 voices (8 pads x 3 banks)
Loop-based audio sequencer for music creation
 
Zoom R24 Specs
Inputs
8 x XLR/1/4" TRS Combo Inputs (with Hi-Z input for guitar & bass)
Outputs
2 x 1/4" TRS Master Outputs
1 x 1/4" Headphone Output
Digital I/O Options         
1 x USB 2.0 Type A Host Port
1 x USB 2.0 Type B Device Port
Memory Card
1 x SD Card Slot
Sampling Frequency
44.1, 48, 88.2, 96kHz
Tracks
24 Tracks (Up to 8 Simultaneous Recording)
Phantom Power
Yes, Up to 6 Simultaneous Channels
Metering
4-Segment Track Meters, LCD Display
Effects
Over 100 Built-in Effects
Control Protocol
Mackie Control Emulation
Power
AC, Battery, or USB Bus Power (6 x AA Batteries, Up to 4
Hours of Operation)
Dimensions (WxDxH)                       
14.8 x 9.3 x 2" (376 x 237 x 52mm)
Weight
2.9 lbs (1.3kg)