The Heco Phalanx 10 A is an active subwoofer featuring a Class-D amplifier that delivers a robust sound experience within home audio systems. Designed for versatile use, it boasts an output power of 400 watts maximum, providing substantial bass response suitable for various applications, including home theaters and music enjoyment. The subwoofer utilizes a 10-inch (approximately 250 mm) bass driver, which effectively reproduces low frequencies ranging from 18 Hz to 200 Hz. Its compact yet solid exterior is available in beech and cherry finishes, allowing it to blend seamlessly into different interior décors. The Phalanx 10 A is engineered with a double side fire principle, which optimizes the air movement for enhanced bass performance. With a weight of approximately 18 kg, it’s reasonably portable for a subwoofer of its caliber.