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Part# - SP-MULTITRACK-RACK-4 - Sound Professionals - Complete, ready-to-use 4 channel Multitrack USB wireless lapel microphone recording system for courts using Eclipse realtime software in ATA road case - Item #B-15396

Retail: $6999.95   Your Price (USD): $4495.95  You Save: 35.77%  

Instruction manual

This is a complete ready-to-use 4 professional wireless lapel microphone system. This system is designed with the Eclipse user in mind! With this system, you can connect up to 4 microphones total, monitor what the microphones are picking up through headphones plugged into the computer and record from all microphones on up to 4 separate mono tracks in Eclipse. Also included are professional rechargeable AA batteries and chargers for the transmitters.

The setup is simplicity itself - load the driver (supplied) on your computer and connect the USB cable between the interface and USB port on your computer and allow the interface to automatically load the 4 soundcards onto your computer sound interface.

You can adjust the recording level and monitoring level of each mic individually as needed. Need help? No problem - we can remote into your computer and set this up for you if needed.

This system offers the same noise filtering and echo cancellation as our USB microphones. 

Audio Specifications:

- Output Connection: One USB connector carrying 4 channels of digital audio output - shows up in Windows as 4 separate soundcards and in Eclipse as 4 available recording inputs
- Frequency Response (at max sample rate): 25 Hz to 19 kHz
- Sampling Rate: 8 kHz, 11.025 kHz, 22.05 kHz, 44.1 kHz and 48 kHz

- Weight: 66 lbs

System requirements

- PCs Windows 10, Windows 8x, Windows 7, Windows Vista, Windows XP, Windows 2000, Windows Me (Millennium), Windows 98 SE (Second Edition). Compatible with Mac running Windows

Case Features and Specifications:

  • Rugged 3/8" Plywood with Black Laminate
  • Tongue and Groove Metal Railing with High-Impact Ball Corners
  • Industrial-Grade Rivets, Latches, Slip-Resistant Rubber Feet
  • 6-Space standard 19" Rack Rails (Front/Back), 14" deep (excluding lids)

Case Dimensions and Weight:

Full Outside Dimensions (includes allowances for casters, ball corners & feet as applicable):

  • 21.75"(W) x 12.75"(H) x 22"(D)

Audio Technica 3000 series wireless system features and specifications

The Audio-Technica fourth-generation 3000 Series wireless systems give you the power and flexibility to operate within the congested UHF spectrum. 3000 Series systems have an operating range of 300' (100 m) and are available in two frequency bands - DE2 (470-530 MHz) and EE1 (530-590 MHz) - that provide a class-leading 60 MHz tuning range, which is more than twice that offered by the previous 3000 Series models. Frequencies can be easily scanned and selected on the receiver and then synced with the transmitter via IR sync functionality. The 3000 Series even lets you set a backup frequency that can be quickly swapped by pressing the transmitter's multifunction button in the event of unexpected interference.

Available system configurations feature an ATW-R3210 receiver along with an ATW-T3201 body-pack or ATW-T3202 handheld transmitter. The ATW-T3201 is equipped with Audio-Technica's new rugged cH-style screw-down 4-pin connector for secure connection to A-T's cH-style lavalier and headworn microphones, or cables. The ATW-T3202 comes with either an ATW-C510 dynamic or ATW-C710 condenser interchangeable cardioid capsule, and its industry-standard thread allows for the use of four additional A-T capsules, plus other compatible capsules. Both transmitters feature rugged, metal housings and are powered by two AA batteries. Charging terminals on each transmitter work with the ATW-CHG3 and ATW-CHG3N smart charging docks (sold separately) to recharge NiMH batteries.


  • Extremely wide 60 MHz UHF tuning bandwidth for maximum versatility in an increasingly congested RF environment; available in two frequency bands: DE2 (470-530 MHz) and EE1 (530-590 MHz)
  • Unique multifunction button on the handheld and body-pack transmitters can be used to switch to a backup frequency (on both transmitter and receiver) should interference be encountered
  • True Diversity operation reduces dropouts
  • Auto Squelch feature automatically adjusts squelch setting to maximize range while minimizing potential interference
  • Frequency scan and IR sync functionality for ease of setup
  • Dual-mode receiver display can switch between standard view or a performance view that highlights key metering
  • Transmitters and receivers include OLED screens for optimal readout of key settings and alerts
  • Handheld transmitter offers extremely low handling noise and includes an industry-standard thread mount for use with six interchangeable A-T microphone capsules, as well as other compatible capsules
  • New rugged cH-style connector on body-pack transmitter provides secure connection to lavalier mics, headworn mics, and cables with cH-style screw-down 4-pin connector
  • Body-pack transmitter features tactile mute toggle switch (defeatable) for physical confirmation of mute status when transmitter display is not visibleCharging terminals on transmitters work with optional ATW-CHG3 and ATW-CHG3N smart charging docks to recharge NiMH batteries
  • Antenna power available for powered antennas and other in-line RF devices
  • Ground-lift switch helps eliminate audible hum caused by ground loops
  • Balanced and unbalanced audio output jacks

Minimum Frequency Step: 25 kHz 
Modulation Mode: FM 
Maximum Deviation ATW-T3201: plus/minus 38 kHz (THD:10%)
ATW-T3202: plus/minus 36 kHz (THD:10%) 
Dynamic Range ATW-T3201 Mic input: > 115 dB (A-weighted), typical
ATW-T3201 Inst input: > 112dB (A-weighted), typical
ATW-T3202: > 115 dB (A-weighted), typical 
Total Harmonic Distortion <1.0% (at 1 kHz, plus/minus 17.5 kHz deviation) 
Operating Range 100 m (328')
Open range environment with no interfering signals. 
Operating Temperature Range -5* C to +45* C (23* F to 113* F) 
Frequency Response ATW-T3201: 31 Hz to 15,500 Hz 
ATW-T3202: 25 Hz to 16,700 Hz 
Frequency response depends on attached microphone element 
Maximum Simultaneous Use (Recommended) 40 Channels per band* 
For assistance with multi-band operation or other frequency coordination issues, please contact your regional audio-technica customer service representitive. *Region and band dependent 

Reciever Specifications

Receiving System True Diversity 
Image Rejection 60 dB nominal 
RF Sensitivity 20 dBuV at 60 dBA S/N ratio (50 ohms termination) 
Antenna Power 12 V DC, 160 mA (combined) 
Maximum Output Level XLR, balanced: +14 dBV
6.3 mm (1/4"), unbalanced: +8 dBV 
Antenna Input BNC-type, 50 ohms 
Power Supply 100-240V AC (50/60 Hz) to 12V DC 1A (center positive) switched mode external power supply 
Dimensions 210.0 mm x 191.0 mm x 43.4 mm (W x D x H) 
8.27" x 7.52" x 1.71" (W x D x H) 
Net Weight 1100 g (38.8 oz), without accessories 
Accessories Included Two flexible UHF antennas; AC adapter (country dependent); rack-mount Adapters 

Transmitter Specifications

RF Power Output High: 30 mW, Low: 10 mW (switchable), at 50 ohms 
Spurious Emissions Following Federal and National Regulations 
Input Connections Four Pin Locking Connector 
Pin 1: GND 
Pin 4: DC BIAS +5V 
High-pass (low-freq. roll-off) 125Hz, 12dB/octave 
Batteries Two 1.5V AA, not included 
Battery Life High: 8.0 hours (alkaline), Low: 9.0 hours (alkaline) 
High: 9.0 hours (Ni-MH 1900mAh), Low: 9.5 hours (Ni-MH 1900mAh) 
Depending on battery type, usage, and environmental conditions. 
Dimensions 64 mm x 82 mm x 23 mm (W x D x H) 
2.52" x 3.22" x 0.91" (W x D x H) 
Net Weight 102 g (3.6 oz), without batteries


Please see description for specifications

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