2. Precision Tools Ultra compact High Density Precision design Single or Dual Channel format Little blue boxes for every audio toolbox!...for Audio Professionals...just turn unit around - second channel is on the rear! You'll never compromise on Quality when you choose

3. Precision Audio Tools Identical footprint for most models You'll never compromise on Quality when you choose

4. Precision Audio Tools Optional Table Mounting Kit Steel brackets for Out-of-Sight security You'll never compromise on Quality when you choose

5. USB-DI Ultra compact USB Direct Box USB to Balanced XLR Outputs Plug and Play USB Bus powered Dual Channel format Transformer Balanced You'll never compromise on Quality when you choose

6. USB-DI VC USB Direct Box with Volume Control USB to Balanced XLR Outputs Plug and Play USB Bus powered Dual Channel format Transformer Balanced You'll never compromise on Quality when you choose

7. USB-I/O Analog to Digital and Digital to Analog interface USB In and Out Plug and Play USB Bus powered Dual Channel format only Transformer Balanced and Isolated You'll never compromise on Quality when you choose

8. Pro DI Ultra compact Active Direct Box Normal and Speaker level Jack Inputs Balanced XLR Output Phantom or DC power options Single or Dual Channel format Pad and Ground Lift switches You'll never compromise on Quality when you choose

9. AV DI Stereo Audio Visual Direct Box RCA and Mini-jack Inputs Fulltime soft Ground Phantom or external DC powered Dual Channel format You'll never compromise on Quality when you choose Ideal consumer to pro audio interface

10. ISO Later Transformer isolated de-coupler Removes Ground loops Provides complete Galvanic isolation XLR Inputs and Outputs Single or Dual Channel available You'll never compromise on Quality when you choose

11. ISO Splitter Transformer isolated splitter Splits 1 Input 2 ways Provides complete Galvanic isolation XLR Inputs and Outputs Single or Dual Channel available You'll never compromise on Quality when you choose

12. ISO Combiner 2 into 1 Signal Combiner Transformer isolated unit for complete Galvanic isolation XLR Inputs and Outputs Available Single or Dual Channel You'll never compromise on Quality when you choose

13. ISO Balancer Stereo Unbalanced High Impedance to Balanced Low Impedance converter Transformer isolated unit RCA Inputs and XLR Outputs Available Single or Dual Channel You'll never compromise on Quality when you choose

14. ISO De-Balancer Unique Stereo Balanced Low Impedance to Unbalanced High Impedance converter Transformer isolated unit RCA Outputs and XLR Inputs Available Single or Dual Channel You'll never compromise on Quality when you choose

15. ISO Optimizer Accurate Level Matching Transformer isolated unit for hum prevention Jack and RCA Inputs and Outputs You'll never compromise on Quality when you choose Complete Galvanic isolation

16. Q switch Unique multi-way switcher Send 1 stereo signal to any of 4 outputs Balanced TRS Inputs and Outputs You'll never compromise on Quality when you choose Send any of 4 inputs to 1 stereo Output

17. ISO Switcher Stereo Input switcher Switch between 2 pairs of Inputs to 1 stereo Output XLR Inputs and Outputs You'll never compromise on Quality when you choose Silent Switching

18. Ear Driver Left and Right Inputs feed four stereo headphone level channels Jack and Mini-jack Inputs Individual Level controls External DC power required 2 or 4 channel format Channels 3 and 4 on rear You'll never compromise on Quality when you choose

19. PSU Power Supply Regulated 15V DC Supply Four individual outputs 100-120V or 220-240V In External fuse You'll never compromise on Quality when you choose

20. Precision Audio Tools Optional Rack Mounting Kit Holds 3 units plus Power Supply You'll never compromise on Quality when you choose

21. Precision Tools...for Audio Professionals You'll never compromise on Quality when you choose