

4-CHANNEL POWER AMPLIFIER
The BLANC LD1400 is a compact 4-channel power amplifier engineered for consistent and controlled performance across both live and installed audio systems. Delivering clean output with efficient Class D architecture, it ensures reliable operation even during extended use. With flexible operating modes and a space-saving design, the LD400 integrates seamlessly into a wide range of system configurations, making it a dependable choice for churches, venues, and multi-zone environments.
Output Power (8Ω)
4 × 350W
Frequency Response
20Hz – 20kHz (±0.3dB)
THD+N
<0.03%
Signal-to-Noise Ratio
≥95dB
Damping Factor
≥500
Signal Handling
Clean, low-noise amplification
Channel Configuration
4-channel architecture
Performance Stability
Consistent output under load
Input Connectors
XLR
Output Connectors
Speakon
Input Impedance
10kΩ (balanced) / 20kΩ (unbalanced)
Input Sensitivity
0.775V / 1.0V
Signal Routing
Stereo / Parallel modes
Power Supply
AC 240V / 50Hz (±10%)
Cooling System
Front-to-rear airflow
Protection
Short circuit, overload, thermal, DC
Dimensions
483 × 382 × 45 mm (1U)
Weight
3.1 kg