Studiomaster HX4-1800 digital power amplifier
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4-channel high-power digital amplifier
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Up to 1300 W per channel @ 2Ω
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Stereo & bridged operation flexibility
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Class-D efficiency with low heat
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Clear sound with low distortion
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Advanced protection & stable cooling
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Lightweight 1U rack-mount design
- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
The Studiomaster HX Series Digital Power Amplifier is a high-performance 2-channel amplifier built for live sound, DJ setups, concerts, events, and professional PA systems. Designed with high-efficiency Class-D digital technology, it delivers clean, powerful audio output while maintaining low distortion and stable performance even under demanding conditions. With its intelligent cooling system and advanced protection circuitry, the HX Series ensures safe operation during extended use, protecting against overload, thermal issues, short circuits, and clipping. Its rugged rack-mount chassis makes it ideal for both touring setups and fixed installations in auditoriums, clubs, or event venues.
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High-Power Digital Amplifier – 2-channel stereo or bridged operation for versatile applications
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Class-D Technology – Efficient performance with minimal heat and power consumption
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Clean Audio Output – Low distortion ensures crystal-clear sound at high volumes
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Advanced Protection – Safeguards against overload, short circuits, thermal issues, and clipping
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Intelligent Cooling – Maintains stable performance during long events
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Rack-Mountable Design – Easy integration into professional audio racks
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Versatile Applications – Perfect for PA systems, DJs, live events, concerts, and installations
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Rugged Build Quality – Durable metal chassis built for professional use
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Selectable Input Sensitivity – Flexible configuration for various audio setups
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Trusted Studiomaster Brand – Reliable and widely used by audio professionals in India
Specifications
| Channels / Mode | 4-Channel (Stereo / Bridged) |
| Output Power (Stereo Mode) | 8 Ω / Stereo: 4 × 450 W4 Ω / Stereo: 4 × 765 W2 Ω / Stereo: 4 × 1300 W |
| Output Power (Bridged Mode) | 16 Ω / Bridged: 2 × 900 W8 Ω / Bridged: 2 × 1530 W4 Ω / Bridged: 2 × 2600 W |
| RMS Output Voltage | 60.0 V (THD = 1%, 1 kHz) |
| Voltage Gain | 35.6 dB |
| Slew Rate (Slope) | 50 V/µs (1 kHz, LPF bypass) |
| Input Sensitivity | 1 Vrms (rated output power, 1 kHz) |
| THD + N | 0.02% (10% rated output power) |
| IMD-SMPTE | 0.05% (10% rated output power) |
| DIM30 | 0.05% (10% rated output power) |
| Crosstalk Rejection | 80 dB (20 Hz – 1 kHz, below rated power) |
| Frequency Response | 20 Hz – 20 kHz ±0.2 dB (10% rated output, 8 Ω) |
| Input Impedance | 20 kΩ (Balanced), 10 kΩ (Unbalanced) |
| Damping Factor | 300 (8 Ω, 20 Hz – 100 Hz) |
| Signal-to-Noise Ratio | 105 dB (A-weighted, 20 Hz – 20 kHz) |
| Power Supply | 90 – 260 VAC, 50 / 60 Hz |
| Protection Features | Overload, thermal, DC output protection |
| Dimensions (W × H × D) | 483 × 44 × 323 mm |
| Net Weight | 5.7 kg |
| Build / Mounting | Rack-mountable metal chassis |
| Brand | Studiomaster |
















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