Neumann KH 870 II — an active studio subwoofer

Neumann has expanded its second-generation KH active subwoofer range with a flagship model for cinematic sound design and mixing requiring accurate, extended bass.

Photo: official website neumann

Like the KH range, the 870 II has a wooden cabinet with front bass-reflex ports. It suits surround and immersive systems up to 7.1.4 and larger rooms needing maximum headroom and precision. Built-in DSP, a multichannel D-sub connection and flexible bass management are included.

Photo: official website neumann

Two front-mounted 10-inch woofers use Extremely Linear Force Factor (ELFF) technology and intelligent protection limiters. They extend bass to 16 Hz with low distortion even at maximum SPL. The subwoofer supports MA 1 Automatic Monitor Alignment, sold separately, for professional room correction. It complements three-way speakers such as the KH 310, KH 420 and other models.

Neumann KH 870 II specifications

• Frequency range: 16–750 Hz
• Sound pressure level: 115 dB
• Power: 360 W
• Dimensions: 73.7 × 33 × 64.5 cm
• Weight: 44.5 kg.

Connections include RJ45 networking and two analogue XLR inputs and outputs for stereo operation. Two D-sub 25 connectors provide up to 12 analogue input/output channels in multichannel mode. AES3 digital connection uses BNC. The KH 870 II AES67 version adds AES67 networking.

Photo: official website neumann

Neumann KH 870 II costs $5,800. The KH 870 II AES67 version will cost $6,200.