LK-Solo since you won't need to

since you won't need to buy endless supplies of non-rechargeable alkaline batteries

This attention to detail gives the TF51 a beautifully open and smooth sonic profile

Any or all can be sync'd to the Lead A1's master clock

the 5500 contains no integrated circuits in its signal path

LK-Solo since you won't need toThe LK Solo is a half rack unit which serves two functions: 1) A high quality headphone amplifier with super accurate analog stepped volume control (half dB increments). 2) A powerful tool for 2 channel recording and overdubbing, which gives the performer 100% removal of latency from any digital recording system; while enabling the musician to independently adjust the live levels and the stereo input level. The LK Solo contributes zero signal