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The DNH loudspeaker DP-10-54(T) is tested and certified according to EN54-24.
If the speaker is used for fire and emergency announcement, it must comply with EN54-24. The loudspeaker DP-10-54(T) is tested and certified according to EN54-24.
DP-10-54(T) has been tested in 100 hours max power (6W). The model does not deviate more than ± 3 dB from the original test value. The freq. response curve and impedance complies with the original one. All SPL tests are performed in an anechoic chamber (<70m³).