Tascam DR-70D

4-Track Audio Field Recorder & Mixer For Audio/Video
The DR-70D from TASCAM is the ultimate audio recording solution for filmmakers. Four balanced XLR mic inputs meet the requirements of production sound, from professional users to indie DSLR shooters. The compact format can be mounted either above or below a camera, and a pair of built-in microphones can capture sound on-set. The interface is designed for quick adjustment, with additional features to keep recording levels under control.

Specs
Recording media : SD card(64MB to 2GB), SDHC card(4GB to 32GB), SDXC card(48GB to 128GB)
Number of channels : 4-channel (stereo × 2, mono × 4)
Recording format : 44.1k/48k/96k Hz, 16/24-bit
Power : 4 AA batteries(Alkaline or NI-MH), USB bus power, Dedicated AC adapter (TASCAM PS-P520U, sold separately), Dedicated external battery pack (TASCAM BP-6AA, sold separately)
Dimensions : 169(W)×55.2(H)×106.5(D)mm (with the top adapter attached)
Weight : 625g(including battery), 530g(not including batteries)

Key features
Maximum number of tracks recorded simultaneously: (4)
Recording formats: 16/24-bit, 44.1k/48k/96k Hz (WAV/BWF)
XLR/TRS inputs support +4dBu line level and phantom power (24V/48V)
CAMERA IN jack allows the DSLR camera audio to be monitored through the DR-70D
Tripod mounting threads (bottom), camera screw attachment and a shoe mount that can be attached and removed with a coin (top)
Operates on (4) AA batteries, with an optional AC adapter (TASCAM PS-P520U) or USB cable provided with the unit (USB bus power).
BP-6AA external battery pack (sold separately) makes operation for even longer times possible
Low-cut filter with five settings (40/80/120/180/220 Hz) to be used to reduce unwanted air-conditioning noise and other low-frequency sounds

Features at a Glance
Maximum number of tracks recorded simultaneously: (4)
Recording formats: 16/24-bit, 44.1k/48k/96k Hz (WAV/BWF)
XLR/TRS inputs support +4dBu line level and phantom power (24V/48V)
CAMERA IN jack allows the DSLR camera audio to be monitored through the DR-70D
Tripod mounting threads (bottom), camera screw attachment and a shoe mount that can be attached and removed with a coin (top)
Operates on (4) AA batteries, with an optional AC adapter (TASCAM PS-P520U) or USB cable provided with the unit (USB bus power).
BP-6AA external battery pack (sold separately) makes operation for even longer times possible
Low-cut filter with five settings (40/80/120/180/220 Hz) to be used to reduce unwanted air-conditioning noise and other low-frequency sounds
Limiter function can automatically adjust excessive input levels (stereo-linking possible for 1/L and 2/R)
Mid-side decoding function enables the use of mid-side stereo mics
Slate tone functions (automatic/manual)
Dual recording function allows two files to be recorded simultaneously at different levels (second file at between −1 dB and −12 dB)