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Speaker management & active crossovers
External DSP, speaker-management, active-crossover and bass-management processors for multichannel or multiway systems.
Vendor spec, measurement agreesVendor spec, unverifiedIndependent measurementVendor claim disputed by measurement ⚠ inspect: conflict and/or normalized value Gold is a vendor figure: a fact — dimensions, driver/connector counts, supported formats — trusted and never disputed, or an unverified performance claim still awaiting independent measurement.
| Dayton Audio DSP-408 | $199.98 ea | DSP processor / active crossover | 8 | · | 4 | 8 | · | · | analog RCA, speaker-level, optional Bluetooth audio via DSP-BT4.0 | PEQ/manual tuning only | Variable high-pass/low-pass slopes 0-24 dB; Linkwitz-Riley, Butterworth, and Bessel | · | 4x RCA line inputs + 4x high-level inputs | 8x RCA outputs | 0.88 | |
| miniDSP Flex HT ·2023 ◆3 Flex · Flex HT | $599 | Multichannel DSP speaker-management processor | 8 | · | 8 | 8 | · | · | LPCM up to 7.1; stereo S/PDIF/Toslink | Dirac Live (multichannel, 8-ch) | Configurable active crossover | Yes | · | 8x unbalanced RCA | · | |
| miniDSP Flex HTx ·2024 ◆2 Flex · Flex HTx | $949 | Multichannel DSP speaker-management processor | 8 | · | 8 | 8 | · | · | LPCM up to 7.1; 8ch analog; stereo S/PDIF/Toslink | Dirac Live (multichannel, 8-ch) | Configurable active crossover | Yes | 8x balanced TRS + 8x unbalanced RCA | 8x balanced TRS + 8x unbalanced RCA | · | |
| Trinnov Audio NOVA ·2023 ◆1 | $3,499 | Studio monitor controller and room optimizer | 6 | · | 32 | 24 | · | · | Analog balanced, S/PDIF coaxial/optical, ADAT, Dante | Trinnov Optimizer | Bass management; crossovers / multiway coming 2026 | · | 2x XLR balanced + 4x 1/4-inch TRS balanced | 6x XLR balanced | 2.5 | |
| Bryston BAX-1 DSP Crossover ·2018 BAX · BAX-1 | — | 3-way DSP crossover | 6 | · | 2 | 6 | · | · | line-level analog stereo | · | 3-way DSP active crossover | · | line-level stereo analog | low, midrange, and high-frequency outputs | · | |
| DSPeaker Anti-Mode 2.0 Dual Core | — | Room-correction / speaker-management processor | 2 | · | 2 | 2 | · | · | analog stereo, Toslink | Anti-Mode | · | · | 1x stereo RCA or 1x balanced XLR stereo | RCA stereo + balanced XLR stereo | · | |
| DSPeaker Anti-Mode X4 | — | Room-correction / speaker-management processor | 4 | · | 4 | 4 | · | · | analog stereo, Toslink | Anti-Mode | · | · | 2x stereo RCA + 1x balanced XLR stereo | RCA stereo + balanced XLR stereo + 2x subwoofer | · | |
| Perlisten Audio DSP 1500 | — | Subwoofer DSP amplifier | · | 1 | · | · | · | · | · | 10-band parametric EQ with 3 presets (THX, large room, small room) | · | · | 1× XLR balanced, 1× RCA unbalanced | 1× XLR balanced (unbuffered pass-through), 1× RCA unbalanced (unbuffered pass-through) | · | |
| Perlisten Audio DSP 3000 | — | Subwoofer DSP amplifier | · | 1 | · | · | · | · | · | 10-band parametric EQ with 3 presets (THX, large room, small room) | · | · | 1× XLR balanced, 1× RCA unbalanced | 1× XLR balanced (unbuffered pass-through), 1× RCA unbalanced (unbuffered pass-through) | · | |
| Theory Audio Design DLC-1500.4d DLC | — | Amplified loudspeaker controller | 4 | 4 | 4 | 4 | 400 | 800 | balanced analog, RCA analog, S/PDIF, Dante/AES67 | Theory model-specific loudspeaker processing; PEQ/delay/gain tools | DSP crossovers | · | 4x balanced analog + 4x RCA unbalanced analog | · | 7.62 | |
| Theory Audio Design DLC-1500.8d DLC | — | Amplified loudspeaker controller | 8 | 8 | 8 | 8 | 400 | 800 | balanced analog, RCA analog, S/PDIF, Dante/AES67 | Theory model-specific loudspeaker processing; PEQ/delay/gain tools | DSP crossovers | · | Published table lists 4x balanced analog + 4x RCA unbalanced analog; page title identifies 8-channel model | · | 7.62 | |
| Theory Audio Design DLC-250.4d DLC | — | Amplified loudspeaker controller | 4 | 4 | 4 | 4 | 250 | 250 | balanced analog, RCA analog, S/PDIF stereo, Dante/AES67 | Theory model-specific loudspeaker processing; PEQ/delay/gain tools | DSP crossovers | · | 4x balanced analog + 4x RCA unbalanced analog | · | 2.95 | |
| Theory Audio Design DLC-250.8 DLC | — | Amplified loudspeaker controller | 8 | 8 | 8 | 8 | 250 | 250 | balanced analog, RCA analog, S/PDIF stereo | Theory model-specific loudspeaker processing; PEQ/delay/gain tools | DSP crossovers | · | 8x balanced analog + 8x RCA unbalanced analog | · | 3.5 | |
| Verity Audio Monsalvat PRO-6 Monsalvat · Special-system electronics | — | analog preamplifier, DAC, digital crossover, and time-alignment processor | · | · | · | 6 | · | · | USB, AES/EBU and S/PDIF | · | digital crossover | · | stereo XLR/RCA | 6-channel XLR/RCA | 37 |