  In models with several large extra dimensions and fundamental Planck scale of
the order of 1 TeV, black holes can be produced in large numbers at LHC
energies. We compute the charged hadron spectra obtained from the decay of
black holes created in p-p and Pb+Pb collisions at LHC. We show that hadrons
from black hole decay dominate at transverse momenta p_T>30-100 GeV/c compared
to usual QCD processes and black hole production signals are easy to identify
in hadron transverse momentum spectra. Furthermore we show that a measurement
of the charged hadron spectra probes Planck scales up to ~5 TeV for any number
of extra dimensions.
