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Surround processors
Surround-sound preamplifier-processors (no power amplification).
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.
| Meridian 271 Digital Theatre Controller ·2017 | $2,000 | 16-channel input / 20-channel output (16+4) | · | · | · | · | · | · | · | · | 5 | |
| Emotiva XMC-2+ XMC | $2,999 | 9.1.6 | 8 | 2 | Yes | Yes | Dirac Live | · | 16 | · | · | |
| Emotiva RMC-1L+ Differential Reference | $3,299 | 9.1.6 | 8 | 2 | Yes | Yes | Dirac Live | · | · | · | · | |
| Emotiva RMC-1+ Differential Reference | $3,499 | 9.1.6 | 8 | 2 | Yes | Yes | Dirac Live | · | 16 | · | · | |
| Anthem AVM 70 8K ·2021 ◆3 | $3,999 | 15.2 | 7 | 3 | Yes | Yes | ARC Genesis | Yes | 15 | Yes | 10.1 | |
| Monolith by Monoprice HTP-1 ·2019 ◆2 Monolith | $3,999 ea | 16 | 8 | 2 | Yes | Yes | Dirac Live | Yes | 16 | Yes | 7.3 | |
| Marantz AV 30 ·2026 ◆2 AV | $4,000 | 11.4 | 7 | 3 | Yes | Yes | Audyssey MultEQ XT32 | · | · | · | 11.1 | |
| Primare SP25 Prisma 25 Series | $5,299 | 11.2 | 4 | 2 | Yes | Yes | Dirac Live | Yes | · | Yes | 10 | |
| Marantz AV 20 ·2025 ◆2 AV | $6,000 | 13.4 | 7 | 3 | Yes | Yes | Audyssey MultEQ XT32 (Dirac Live upgradable) | · | Yes | Yes | 15 | |
| McIntosh MX200 ·2024 ◆1 MX · MX200 | $6,000 | 11.2 | 4 | 1 | Yes | Yes | Dirac Live (full bandwidth) | Yes | 11 | No | 7.7 | |
| JBL Synthesis SDP-58 ·2022 SDP · SDP-58 | $6,900 | 16-channel processing (up to 9.1.6 immersive) | 8 | 2 | Yes | Yes | Dirac Live with Bass Control (JBL Synthesis enhancements) | · | 16 | · | 10.7 | |
| Anthem AVM 90 8K ·2022 ◆1 | $7,499 | 15.4 | 7 | 3 | Yes | Yes | ARC Genesis | Yes | 15 | Yes | 10.1 | |
| Marantz AV 10 ·2022 ◆2 AV | $8,000 | 15.4 | 7 | 3 | Yes | Yes | Audyssey MultEQ XT32 | Yes | 15 | Yes | 16.8 | |
| McIntosh MX123 MX · MX123 | $8,500 | 13.2 | 7 | 3 | Yes | Yes | Audyssey MultEQ XT32 | · | 13 | Yes | 14 | |
| NAD M17 V2i ·2022 ◆3 | $9,999 | 7.1.4 | 5 | 2 | Yes | Yes | Dirac Live Full Bandwidth | Yes | · | · | · | |
| Trinnov Audio AltitudeCI ·2025 ◆2 | $11,000 | 8–32 (licensable) | 4 | 2 | Yes | Yes | Trinnov Optimizer (+ WaveForming, Remapping) | Yes | 8 | Yes | 8.6 | |
| Lyngdorf Audio MP-40 2.1 ·2022 ◆2 MP · MP-40 2.1 | $11,299 | 12 | 3 | 2 | Yes | Yes | RoomPerfect | · | 16 | · | 6.7 | |
| Datasat LS10 ·2015 | $12,500 ea | 15 channels (up to 13.1) | 7 | 2 | Yes | Yes | Dirac Live | · | 15 | No | 11.61 | |
| StormAudio ISP Core 16 ·2022 ◆2 | $12,999 | 16 base, Core 16+ up to 18 | 7 | 2 | Yes | Yes | Dirac Live with Room Correction, Bass Control and Active Room Treatment modules included | Yes | · | · | 9 | |
| Bryston SP4 ·2018 ◆2 SP · SP4 | $13,995 | 16 | 7 | 2 | Yes | Yes | Dirac Live | · | 16 | · | 13 | |
| Lyngdorf Audio MP-60 2.1 ·2021 ◆1 MP · MP-60 2.1 | $14,999 | 16 | 5 | 2 | Yes | Yes | RoomPerfect | · | 16 | · | 9 | |
| StormAudio ISP Elite MK3 ·2022 ◆2 | $16,999 | 16 / 24 / 32 output channels | 7 | 2 | Yes | Yes | Dirac Live with Bass Management Standard/Expert and Active Room Treatment | Yes | · | · | 13.1 | |
| Trinnov Audio Altitude16 ·2017 ◆4 | $18,500 | 20 | 8 | 2 | Yes | Yes | Trinnov Optimizer (3D Remapping) | Yes | 16 | · | 11.3 | |
| StormAudio ISP Evo ·2024 ◆2 | $20,799 | 20 base, up to 32 (24 decode/upmix) | 7 | 2 | Yes | Yes | Dirac Live with Bass Management Standard/Expert and Active Room Treatment | Yes | · | · | 9 | |
| JBL Synthesis SDP-75 ·2021 SDP · SDP-75 | $31,250 | 16 / 24 / 32-channel (configuration-dependent) | 7 | 2 | Yes | Yes | Trinnov Optimizer (multi-point room EQ) | · | · | · | 14.5 | |
| Acurus ACT 4 | — | 20-channel | · | · | Yes | Yes | Acurus ASPEQT | · | · | · | 11.3 | |
| Acurus MUSE | — | 16-channel | · | · | Yes | Yes | Acurus room tuning / ASPEQT | · | · | · | 10.4 | |
| Arcam AVP45 ·2026 | — | 9.1.6 | 7 | 3 | Yes | Yes | Dirac Live | Yes | 16 | Yes | 9.4 | |
| AudioControl Maestro X7S | — | 9.1.6 | 7 | 3 | Yes | Yes | Dirac Live + Bass Control | Yes | 16 | Yes | 12.3 | |
| AudioControl Maestro X9S | — | 9.1.6 | 7 | 3 | Yes | Yes | Dirac Live + Bass Control | Yes | 16 | Yes | 12.3 | |
| Datasat RS20i ·2013 | — | 16 channels | 4 | 1 | Yes | Yes | Dirac Live | · | · | No | 12.02 | |
| JBL Synthesis SDP-80 ·2025 SDP · SDP-80 | — | 36-channel processing | 8 | 2 | Yes | Yes | Trinnov Optimizer (Harman Target Curve) | · | · | · | 14.5 | |
| Rotel RSP-1576MKII ·2020 RSP · MKII | — | 7.1.4 | 7 | 2 | Yes | Yes | Dirac Live Full | · | 2 | · | 8.8 | |
| Steinway Lyngdorf P100 2.1 | — | 12 decoded channels | 3 | 2 | Yes | Yes | RoomPerfect | · | · | Yes | 6.6 | |
| Steinway Lyngdorf P300 2.1 | — | 16 native channels | 5 | 2 | Yes | Yes | RoomPerfect | Yes | · | Yes | 8.4 | |
| Trinnov Audio Altitude32 ·2014 ◆1 | — | 36 | 8 | 2 | Yes | Yes | Trinnov Optimizer | Yes | 16 | · | 14.5 |