soundsystem

my mate has the use of this space and he wants to put on a party. he reckons it's about 300 people capacity, relatively high ceilings, stone floors.
so, what i wanted to ask.... anyone with knowledge of these things... does the following soundsystem look like it'll be alright in terms of size/weight?
(any ideas or advice appreciated)

• 2500 Watt Nexo PA System (2.5kW) 2 x Nexo PS8 Tops + 2 x LS400 Subs
• 1 x 4000 Watt 4 Channel Matrix XT4004 Amplifier with Neutrik Connectors

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