Bittner will of course use it because he endorses the Tama brand. Even his pedals and hardware are all Tama.
I own the Boss DB-88, which in my opinion is better than the Tama one except for the fact that you can program only up to 8 settings (Tama has 20, yung Yamaha Click Station mga 80+ ata). Dami features like time signature division (kunwari 5/4, pwede mo i-divide into 3s and 2s), loop function (automatically switches to the next programmed setting after a certain number of bars), tuner, 3 "click sounds", etc.
Kaya ko sinabi mas maganda yung Click Station, kasi yung features ng Boss na wala sa Tama, meron sa Yamaha, tapos dinagdagan pa!