DSPeaker Anti-Mode 8033 S-II

A typical listening room resonates at low frequencies. Because of this, even a high-quality subwoofer may sound slow, uneven, or boomy—especially when placed near walls or corners. These room-induced resonances mask detail and blur transients, making bass reproduction less accurate and less enjoyable.

Awarded Anti-Mode™ technology removes these resonances by equalizing both the amplitude and time-domain response of the subwoofer–room system. Using precise digital filters and anti-phasing technology, Anti-Mode restores clarity and speed, allowing you to hear clean, extended bass all the way down to the subwoofer’s true cut-off frequency.

Calibration is fully automatic: the device generates measurement sweeps, analyzes the response at one or multiple listening positions, and applies optimal correction. Anti-Mode 8033 connects easily between your amplifier and subwoofer using standard RCA connectors—no apps, networks, or manual adjustment required.

The S-II version features more room correction filters, wider correction range, additional custom filter modes (including dipole correction), stereo input and dual mono outputs.

• Measures and corrects the combined frequency response of your subwoofer and the listening room
• User-friendly automatic calibration procedure
• Can be used with any active subwoofer
• Minimum phase filtering, no significant algorithm delay
• Correction range 16-250 Hz
• Three user-selectable additional equalization filters
• Single or multiple measurement point calibration
• Measurement microphone is included
• Ultra-compact enclosure
• Low power consumption