SMX-Line

SMX 12A LT

Hear yourself better. Perform with confidence.

SMX 12A LT is a high‑quality active coaxial monitor engineered for long‑throw, wide‑coverage stage monitoring. With precise DSP presets, advanced limiter control, and a dual‑channel Class‑D platform, it delivers clear, dynamic sound for vocals, keys, drums, and more. A discreet, road‑ready enclosure with a hidden I/O panel keeps stages tidy, while flexible monitoring angles and daisy‑chaining make setup fast and predictable.

  • Self-powered coaxial monitor with plug‑and‑play presets for fast, consistent sound
  • Advanced limiter control for clean, dynamic performance at high levels
  • Two monitoring angles to optimise coverage on deck, on subs, or in elevated positions
  • Hidden I/O panel for clean stage aesthetics and protected connections
  • Easy scalability via daisy‑chain for quick multi‑wedge deployments

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Available in:East Asia, South Asia, Southeast Asia
Feature 1
Coaxial clarity, stage focus: True coaxial design with precise DSP crossover delivers coherent imaging, natural vocals, and balanced instruments across the listening area.
Feature 2
Power with poise: Dual‑channel amplification and advanced limiter behaviour keep dynamics intact and reduce pumping, even under demanding stage levels.
Feature 3
Built for real stages: Road‑ready cabinet with hidden I/O, flexible monitoring angles, and rapid daisy‑chaining for tidy setups and predictable results.

Designed for professional live environments, SMX 12A LT combines a coaxial two‑way architecture with a carefully tuned crossover system to deliver focused imaging and consistent tonality across the performer’s position. The monitor responds musically to additional EQ, allowing engineers and artists to fine‑tune for taste without sacrificing clarity or headroom. Advanced limiter algorithms preserve transient punch and reduce pumping, maintaining articulate, distortion‑free performance even at elevated levels.
Practical flexibility is built in. Selectable DSP presets help tailor the monitor for general use or voice‑centric applications, providing a confident starting point that speeds soundcheck. Two dedicated monitoring angles let you optimise sightlines and coverage, whether the wedge sits on the deck, on a sub, or in elevated positions such as drum‑fills, while the coaxial design keeps phase response coherent and the sweet spot wide.
The cabinet pairs robust plywood construction with a durable external finish for life on the road. A hidden I/O panel keeps connectors and controls out of sight when placed on the floor, supporting clean stage visuals and safer cable runs. For larger stages or broader zones, multiple units can be daisy‑chained quickly, enabling scalable coverage without additional distribution hardware. Low processing noise and fast, plug‑and‑play operation ensure reliable day‑to‑day use so performers can focus on the show.

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Technical details

Model NameSMX 12A LT
TypeHigh-quality active 2-way coaxial monitor speaker for long-distance, wide-coverage stage monitoring
TECHNICAL INFORMATION
ACOUSTICAL DATA
Frequency range (-3 dB)*63 Hz – 18 kHz
Frequency range (-6 dB)*59 Hz – 19 kHz
Frequency range (-10 dB)*55 Hz – 20 kHz
Coverage angles (-6 dB) [H x V]75° × 75°
Maximum Peak SPL**126 dB
Continuous Maximum SPL**114 dB
System type2-way coaxial system
Crossover frequency1.4 kHz
TransducersCoaxial driver with:
LF: 1 × 12" driver (2.4" voice coil)
HF: 1" compression driver (1.5" voice coil)
Enclosure typeVented box
AMPLIFICATION
TypeClass-D with SMPS
Total power***360 W
Output power per channel****LF: 180 W, HF: 180 W
ProtectionShort circuit, temperature
IndicatorsLEDs: ON (green), PROTECT (red)
Connectors1 × XLR-Combo Line input, sym.
1 × XLR Line output, sym.
Powercon mains input twist connector
Powercon mains output twist connector
WiringPin layout XLR: Pin 2: Signal+, Pin 3: Signal-; Pin 1: Shield
Pin layout powerCON®: Pin N: Neutral; Pin L: Conductor; Pin E: Earth, Ground
Operating voltage range220–240 V~ / 50–60 Hz, 1.6A
100–120 V~ / 50–60 Hz, 3.15A, 360 W max.
Input sensitivity0 dBu
DSP48 kHz/24 Bit with extended dynamics
Processing latency: 1.1 ms
ProcessingCrossover, Limiter, EQ, Level, low noise AD-DA
User controlsLEVEL: 8 position rotational switch (-10, -5, -3, -2, -1, 0, +2, +4)
1 × 3-position switch
1 × power on/off switch
MECHANICAL DATA
Product dimensions [H x W x D]342 × 520 × 449 mm
Net weight15.95 kg
Packaging dimensions [H x W x D]675 × 462 × 563 mm
Total weight18 kg
Cabinet15 mm plywood
Cabinet finishingBlack polyurea coating
GrillePowder-coated perforated steel
ACCESSORIES
SMX 12A LT TCTransport cover
ANNOTATION
*Whole space, -10dBu/ 1m
**SPL / 1m, whole space, pink noise, 12dB crest factor, +10dBu input level
***Total power value is the sum of all individual channel output power
****According to EIA-426B Standard

Downloads & resources

SU Files

ZIP · 1.6 MB · Updated: 04/2026

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User manual EN

PDF · 2 MB · Updated: 06/2026

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Datasheet EN

PDF · 16.8 MB · Updated: 08/2025

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Datasheet ZH

PDF · 16.8 MB · Updated: 08/2025

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