Studiomaster HX2 900 Power Amplifier
August 14, 2026
Studiomaster QX2-1300 Power Amplifier
▷ 2-Channel Professional Digital Power Amplifier
▷ 2 × 650W @ 8Ω Stereo Output
▷ 2 × 1100W @ 4Ω Stereo Output
▷ 2 × 1870W @ 2Ω Stereo Output
▷ Up to 3740W @ 4Ω in Bridge Mode
▷ >95% High Efficiency for professional operation
▷ 20Hz–20kHz Frequency Response for wide-range audio
▷ 0.01% THD+N for clean and detailed sound
▷ >5000 Damping Factor for excellent speaker control
▷ Stereo / Parallel / Bridge Modes for flexible system setup
Studiomaster QX2-1300 Digital Power Amplifier
The Studiomaster QX2-1300 is a professional 2-channel digital power amplifier designed for high-performance PA systems, live sound, concerts, DJs, touring, sound rental, auditoriums and professional audio installations. With high power output, advanced protection and a compact 1U rack-mount design, it is built for demanding sound reinforcement applications.
The amplifier delivers 2 × 650W at 8Ω, 2 × 1100W at 4Ω and 2 × 1870W at 2Ω in stereo mode. In bridge mode, it provides up to 3740W at 4Ω, giving professional sound engineers flexibility when powering compatible high-output speaker systems.
With over 95% efficiency, 20Hz–20kHz frequency response, 0.01% THD+N, >5000 damping factor and >105–112dB signal-to-noise ratio, the QX2-1300 is designed for clean, powerful and controlled audio reproduction.
The amplifier supports Stereo, Parallel and Bridge modes and features selectable input sensitivity, balanced XLR inputs and a built-in output limiter. Its Active Power Factor Correction (PFC) and 90–260VAC power supply provide additional flexibility for professional installations and mobile sound applications.
Frequently Asked Questions
Specification
| Brand | Studiomaster |
| Model | QX2-1300 |
| Product Type | Digital Power Amplifier |
| Channels | 2 Channel |
| Amplifier Design | High-Efficiency Digital Amplifier |
| Efficiency | >95% |
| 8Ω Stereo Power | 2 × 650W |
| 4Ω Stereo Power | 2 × 1100W |
| 2Ω Stereo Power | 2 × 1870W |
| 16Ω Bridged Power | 1300W |
| 8Ω Bridged Power | 2200W |
| 4Ω Bridged Power | 3740W |
| Frequency Response | 20Hz–20kHz (±0.2dB) |
| Input Sensitivity | Selectable 41dB / 38dB / 35dB / 32dB |
| Input Impedance | 20kΩ Balanced / 10kΩ Unbalanced |
| THD+N | 0.01% |
| IMD-SMPTE | 0.01% |
| DIM30 | 0.01% |
| Crosstalk Rejection | >80dB |
| Damping Factor | >5000 |
| Signal-to-Noise Ratio | >105–112dB |
| Slew Rate | 50V/µs |
| Power Supply | 90–260VAC, 50/60Hz |
| Power Factor Correction | Active PFC |
| Cooling | Variable-Speed Fan Cooling |
| Operating Modes | Stereo / Parallel / Bridge |
| Limiter | Built-in Output Limiter |
| Input Connectors | Balanced XLR |
| Mains Connector | 32A |
| Protection | Low Voltage, Overload, Thermal & DC Output Protection |
| Rack Format | 1U |
| Dimensions (W × H × D) | 483 × 44 × 462 mm |
| Net Weight | 10–12 kg |
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