B² Audio REF FOUR Packaging Unit:Individually Available as Dual 1 Ohm

Available as Dual 1 Ohm (D1)

the speakers are also easy to install anywhere

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5X is designed for efficient operation and can be used both to upgrade existing vehicle audio systems and as part of a retrofitted car audio setup

The compact enclosure comes equipped with a specially tuned 8-inch subwoofer and

B² Audio REF FOUR Packaging Unit:Individually Available as Dual 1 OhmThe B Audio REF FOUR was developed for discerning car audio enthusiasts who want to combine the highest sound quality with exceptional power reserves. The meticulously engineered Class A B power amplifier delivers exceptionally precise signal reproduction, high dynamic range, and stable power output even at low impedances. Thanks to extensive filter functions, variable input sensitivity, and a powerful power supply, the REF FOUR is suitable for both