78 en | *Amplifier, 600W 4-channel | PRA-AD604 PRAESENSA
2019.11 | V1.00 | Installation manual Bosch Security Systems B.V.
8.6 Approvals
Emergency standard certifications
Europe EN54‑16
International ISO7240‑16
Regulatory areas
Safety EN/IEC/CSA/UL 62368‑1
Immunity EN55024
EN55103‑2 (E1, E2, E3)
EN50130‑4
Emissions EN55032
EN61000‑6‑3
ICES‑003
ANSIC63.4
FCC‑47 part15B classA
Conformity declarations
Europe CE/CPR
Environment RoHS
8.7 Technical data
Electrical
Loudspeaker load
Maximum loudspeaker load
100V mode, all channels*
70V mode, all channels*
600W
600W
Minimum loudspeaker load impedance
100V mode, all channels*
70V mode, all channels*
16.7ohm
8.3ohm
Maximum cable capacitance
100V mode, all channels*
70V mode, all channels*
2uF
2uF
*All channels combined.
Amplifier outputs
Maximum voltage swing
100V mode, 1kHz, THD <1%, no load
70V mode, 1kHz, THD <1%, no load
100VRMS
70VRMS
Burst / rated power**
All channels combined
100V mode, load 16.7ohm
70V mode, load 8.3ohm
Channel1
600W / 150W
600W / 150W