Speaker burn in using lg mini home theatre?

hi there, i have a diy 8 ohm speaker, i like to burn them but dun want it on my tube amp. can i burn them with LG mini home theatre?


i just substitute the two speaker from lg with my new diy speaker. is it possible?

how to know if they output 8 ohm? how to make sure that i wont damage my new speaker? thanks in advance
here is the spec for lg speaker:
Type 3 Way 3 Speaker
Impedance 4 Ω
Frequency Response 70 - 20,000 Hz
Sound Pressure Level 83 dB/W (1m)
Rated Input Power 80 W
Max. Input Power 160 W
Net Dimensions (W x H x D) 128 x 295 x 240 mm
Net Weight 4.1kg

lg amp spec:
Stereo mode 80 W + 80 W
Output Power 80 W + 80 W
T.H.D 0.5 %
Frequency Response 40 - 20000 Hz
Signal-to-noise ratio 75 dB