♫ Appropriate Design-Treble & Bass: The bookshelf speakers are composed of 1-inch treble and 5 inch bass two units so that the speakers can play pleasing high frequency and strong low frequency. Hinweis: This is a pair of passive speakers. You need to buy a power amplifier to support use. We recommend Moukey MAMP1 Power Amplifier Asin: B07ZCTBJZT. ♫ Intelligent Crossover: In order to let you have a better audiovisual experience, we have added a crossover inside the speakers. The audio is sent to the corresponding speaker unit for interpretation, which creates near-field stereo panoramic sound effects. ♫ Handmade Wooden Boxes: Use handcrafted wooden boxes to achieve a better sound quality. Accurate to every 1CM level and structure to achieve the best enjoyment of sound quality. ♫ Handmade Wooden Boxes: Use handcrafted wooden boxes to achieve a better sound quality. Accurate to every 1CM level and structure to achieve the best enjoyment of sound quality. ♫ Suggested Use: It is recommended to match the amplifier (ASIN: B07ZCTBJZT) for a more professional experience. Do not exceed the carrying power of speakers (Peak power is 50W on each side).