2 компл. bass trap пена для настенного уголка аудио звукопоглощающая пена студия звукозаписи аксессуар контроль шума панели для акустической

this product provides strong noise reduction and is cost-effective. low frequency waves are long and difficult to stop, but corner bass absorbers solve the bass problem. sound absorption foam panel can absorb the sound waves after they reflect inside the foam. it can absorb the audio frequency to lower the noise caused by reflection and echo. very good quality high nrc!