They look decent only with installed grids, without them, they are somewhat noisy because of the white diffusers. I would prefer black if I had a choice. Pros below: Decent sound, adequate to the volume of the case and constructive. Got cons: I would like more impact and softness at low frequencies at low volume. I hope that over time, the diffusers and corrugations (suspension) will turn around, acquire some elasticity and the sound will "ripen".
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