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Yamaha XMS Series Power Amplifier 1U Class D With Hi-Z/Lo-Z | 4-Channel | Analog Only

Yamaha XMS Series Power Amplifier 1U Class D With Hi-Z/Lo-Z | 4-Channel | Analog Only

SoundPro Item: 207013 | Part Number: XMS12s4

$2,899.99
$3,382.00 $2,899.99
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MSRP: $3,382.00 | MAP: $2,899.99

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  • Dynamic Power Sharing Allocates Total Output Across Active Channels For Efficient Multi-Zone Deployment
  • Integrated Matrix Router And Speaker Processing Eliminate External DSP Requirements In Simpler Installations
  • Per-Channel Hi-Z And Lo-Z Mode Selection Supports Mixed Load Configurations Within Single Chassis
  • ProVisionaire Design Software Enables Unified System Configuration And Monitoring Across Installation
  • Front-Panel LCD And Controls Provide Direct Access To Gain Adjustment And Operational Status
  • Redundant Dante Network Topology With AES67 Compatibility Ensures Reliable Audio Transport
  • Factory Speaker Presets For Yamaha Passive Loudspeakers Accelerate System Commissioning
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The Yamaha XMS Series delivers intelligent amplification for installed sound systems where flexible channel distribution and onboard signal processing eliminate the need for external DSP in many commercial audio installations. Dynamic power sharing allocates the full 1200W pool across active channels, maximizing available headroom while reducing amplifier count in multi-zone designs. Part of Yamaha's Commercial Installation Solutions Ecosystem, XMS amplifiers integrate with DME Series processors for larger systems or operate standalone with the built-in 4×4 matrix router, 16-band parametric EQ, and comprehensive speaker processing.

Class D topology delivers consistent performance in both Lo-Z and Hi-Z modes with per-channel configuration, supporting 4Ω, 8Ω, 70V, and 100V distributed line applications within a single chassis. Front-panel LCD and control interface enable system monitoring and gain adjustment without software access. Dante connectivity supports redundant and daisy-chain topologies with AES67 compatibility, while ProVisionaire Design software provides unified configuration across the entire installation from a single interface. Suited for corporate boardrooms, hospitality venues, education facilities, and retail spaces requiring reliable amplification with intelligent routing capabilities.

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Specifications

Performance
Total Output Power
ch1+ch2+ch3+ch4=1200W
Max Output Power per Channel 1% THD+N 1kHz 20msec Burst 20kHz LPF 4Ω Mode
600W/ch
Max Output Power per Channel 1% THD+N 1kHz 20msec Burst 20kHz LPF 8Ω Mode
600W/ch
Max Output Power per Channel 1% THD+N 1kHz 20msec Burst 20kHz LPF 100V Mode RL 33.3Ω
300W/ch
Max Output Power per Channel 1% THD+N 1kHz 20msec Burst 20kHz LPF 70V Mode RL 16.7Ω
300W/ch
Amplifier Class
Class D
Total Harmonic Distortion
≦ 0.1%
Total Harmonic Distortion 4Ω Mode
≦ 0.2% (20-20kHz, 3dB below rated power, all channels driven, AUX0025 & AES-17 20kHz measurement filter)
Frequency Response 8Ω SE Mode 20-20kHz
±1.0 dB
Frequency Response 100V Mode 55-20kHz
-0.5/+1.5 dB
Frequency Response 70V Mode 55-20kHz
-0.5/+1.5 dB
Crosstalk Half Power 8Ω 1kHz Vol Max Input 150Ω Shunt
≦ -60dB
S/N Ratio A-Weighted 8Ω Mode 150W or 300W or 600W
≧100dB
Audio
Input Sensitivity
+4dBu
Voltage Gain 4Ω Volume Max
32.0 dB
Voltage Gain 8Ω Volume Max
35.0 dB
Voltage Gain Hi-Z 70V Mode Volume Max
35.2 dB
Voltage Gain Hi-Z 100V Mode Volume Max
38.2 dB
Maximum Input Voltage
+24dBu
Input Impedance
20kΩ (Balance), 10kΩ (Unbalance)
Signal Processing
A/D D/A Converters
AD: 32-bit, DA: 32-bit
Input Router
4 x 4
User EQ
8 band
User Delay
~1000msec
Speaker Processor
X-Over, PEQ (16 band), Delay, Peak Limiter, RMS Limiter
Latency Analog Input to Speakers
1.0msec
Speaker Preset
Speaker presets for Yamaha passive speakers
Connectivity
Analog Input
Euroblock 3.5mm, 12 PIN x1
Network
RJ45 x1
Fault Out/Remote Control MUTE/SLEEP
Euroblock 3.5mm, 6 PIN
Speaker Output
Euroblock 7.62mm, 8 PIN x1
Protection
Load Protection POWER Switch On/Off
Output mute
Load Protection DC-Fault
Power Supply shutdown (NOT restored automatically)
Amplifier Protection Thermal
Output limiter (Restored automatically) → Output mute (Restored automatically)
Amplifier Protection Over Current
Output mute (Restored automatically)
Power Supply Protection Thermal
Output limiter (Restored automatically) → Power supply shutdown
Power Supply Protection Over Voltage
Power supply shutdown
Power Supply Protection Over Current
Power supply shutdown
Construction
Cooling
4 step variable speed fan x 2, front to rear airflow
Electrical
Power Requirements
100V-240V 50Hz/60Hz
AC Connector
AC inlet x1
Dimensions
Width
480 mm (18.9")
Height
44 mm (1.8")
Depth
444 mm (17.5")
Weight
Net Weight
6.8 kg (15.0 lbs)
Included Items
Accessories
Owner's Manual x1, AC cord (2.0m) x1, Ferrite core x1, Euro block 3.5mm 3pin x6, Euro block 7.62mm 8pin x1, Cable tie x7

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