LEA Connect 1504
The LEA Connect 1504 is a high-power, four-channel professional amplifier rated at 1,500 watts per channel. It supports low-impedance speakers and 70V/100V distributed audio systems, with network connectivity for remote configuration, monitoring and control. Its onboard DSP includes advanced filtering and extended delay capabilities, while Smart Power Bridge technology enables bridged output configurations. Network Connect and Dante Connect versions are available, with Dante and AES67 networking options on the Dante version.
- Four channels, each rated at 1,500 W.
- 70V/100V high-impedance and low-impedance speaker support.
- Built-in Wi-Fi, Ethernet and LEA Cloud connectivity.
- Smart Power Bridge technology with two bridge-capable channels.
- 96 kHz DSP with linear-phase FIR crossovers.
- IIR crossover filters up to 48 dB/octave.
- Eight-band parametric EQ per channel, according to the detailed product specification.
- Up to four seconds of output delay per channel.
- User-configurable speaker limiters and real-time load monitoring.
- Browser-based WebUI, third-party API and cloud control.
- Class-D amplification and a universal power supply with power factor correction
Hardware Details
- Amplifier type: Class-D professional amplifier.
- Channels: 4 independent amplifier channels.
- Power output: Up to 700 W per channel at 4Ω, 8Ω, 70V and 100V.
- 2Ω power output: 350 W per channel.
- Audio inputs: 4 balanced analog inputs.
- Input sensitivity: Selectable 26 dB or 34 dB.
- Speaker compatibility: Supports low-impedance (Lo-Z) and high-impedance (Hi-Z) loudspeaker systems.
- Network connectivity: Ethernet and built-in Wi-Fi.
- Smart Power Bridge: Enables bridged output configurations without sacrificing another amplifier channel.
- Power supply: Universal 100–240V AC with power factor correction (PFC).
- Cooling system: Variable-speed fan with front-to-rear airflow.
- External connections: Remote power control and amplifier-health monitoring.
- Rack mounting: Compact 1U rack-mount design.
Software & DSP Details
- DSP processor: 96 kHz, 32-bit Analog Devices Sigma processor.
- Equalization: 8-band parametric EQ per channel to adjust sound quality.
- Input routing: Flexible routing of audio inputs to amplifier outputs.
- Crossover filters: IIR filters up to 48 dB/octave, including Linkwitz-Riley and Butterworth.
- Output delay: Up to 100 ms per channel to align audio timing.
- Speaker protection: Adjustable peak-voltage and RMS-voltage limiters.
- Load monitoring: Real-time monitoring of connected loudspeaker loads.
- Pilot-tone detection: Supports monitoring for speaker-line integrity.
- Built-in protection: Protection against DC faults, excessive current, overheating, VHF and fan faults.
- Web-based control: Configure and manage the amplifier through a browser-based interface.
- Cloud management: LEA Cloud enables remote monitoring, control and notifications.
- Third-party integration: API support for integration with compatible AV control systems.
Large auditoriums and performance venues
Large corporate town halls and event spaces
University lecture theatres
Houses of worship with larger sound systems
Hotels
convention centres and banquet halls
Large restaurants and hospitality spaces
Commercial venues requiring higher-power loudspeaker amplification
Multi-zone audio systems across corporate or institutional facilities
Live event venues requiring amplified sound for the in-person audience
| Parameter | Value |
|---|---|
| Power at 2 Ω | 1,500 W/channel |
| Power at 4 Ω | 1,500 W/channel |
| Power at 8 Ω | 1,500 W/channel |
| Power at 25 V | 600 W/channel |
| Power at 70V/100V | 1,500 W/channel |
| THD+N | 0.1%, 20 Hz–20 kHz |
| Frequency response | 20 Hz–20 kHz, ±0.5 dB at 4 Ω, 8 Ω, 70V and 100V |
| Signal-to-noise ratio | 105 dB, referenced to 8 Ω |
| Crosstalk | 70 dB, 20 Hz–20 kHz |
| Output delay | Up to 4 seconds/channel |
| Rack height | 2U |
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