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4-inch Mid-low Frequency: The 4-inch long-stroke woofer of Donner passive bookshelf speakers adopts a polymer material diaphragm, which makes the speaker have excellent damping characteristics, low distortion, high efficiency and fast transient response.
Precise Frequency Divider: The second-order frequency divider with high-precision mid/woofer unit installed in the speaker makes the sound quality of the whole system fully play to the extreme level. It also optimizes the time domain consistency between each sound unit, which makes the sound field highly restored.
High Density Wooden Box: The cabinet of the passive bookshelf speaker pair is made of MDF with a thickness of 0.7 inches. Hand polishing completes every detail of the speakers.
Wide Range of Applications: The speakers can handle RMS 40W MAX power (Note: a power amplifier is needed to match with it). It can be used as a stereo bookshelf speaker for playing music, or it can be used for home theater, and it can be combined with other speakers to form a surround sound speaker system.