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Description
LEA Professional 704D Overview
System installers in search of a professional audio amplifier with Dante and wireless networking capabilities will be thrilled with the LEA Professional 704D Connect Series, a 700W 4-channel audio amplifier equipped with a web browser-based user interface that works on any device with no software to download.
The amplifier is well suited for small- to medium-scale installations and features direct Hi-Z (70 or 100V) or Lo-Z selectable by channel. Connect via the built-in wireless access point or via venue's Wi-Fi or use the FAST Ethernet to connect to any local area network (LAN) with a standard Cat 5/6 cable. The Dante Connect Series is the first professional amplifier family to feature Cloud connectivity, which allows you to remote control, monitor, get notifications, and more from any personal device. Connect the 704D to a network and start commanding your system from anywhere.
- Web browser-based UI works on any device with no software to download
- Direct Lo-Z and Hi-Z (70 or 100V) selectable per channel
- Proprietary Smart Power Bridge allows user to bridge a channel to achieve double the power of that channel without sacrificing an amplifier channel
- 3 ways to connect 1.) Built-in Wi-Fi Access Point 2.) Connects to existing Wi-Fi network 3.) Local area network Ethernet connection
- 96 kHz analog devices DSP with input routing, multiple 48 dB/Oct crossover filters, 8 parametric EQ filters, user configurable speaker limiters, and real-time load monitoring
- Universal switch mode power supply with PFC. Operation from 100 to 240 VAC ±15%
- Analog fully routable inputs
- External I/O port for remote On/Off and fault monitoring
- Highly efficient Class D output stage for low AC current draw
In the Box
- LEA Professional 704D Connect Series 4-Channel 700W Amplifier with Dante
- 4 x 2-Pin Euroblock Output Connectors
- 5 x 3-Pin Euroblock for Output and GPIO
- IEC Power Cord
LEA Professional 704D Specs
| Number of Channels | 4 |
| Power Rating | 4 Ohms / 8 Ohms / 70 V / 100 V: 700 W RMS per Channel 2 Ohms: 350 W RMS per Channel 25 V: 330 W RMS per Channel |
| Amplifier Class | Class-D |
| Load Impedance / Voltage | 2 / 4 / 8 Ohms per Channel 25 / 70 / 100 V per Channel |
| Protections | DC Fault, Output Limiter, Overvoltage, Ultrasonic |
| Frequency Response | 20 Hz to 20 kHz ±0.5 dB (4 Ohms, 70/100 V, 8 Ohms) 20 Hz to 20 kHz -2.5 dB (2 Ohms) |
| SNR | 105 dB (at 8 Ohms) |
| THD+N | 0.1% (20 Hz to 20 kHz) |
| Crosstalk | 70 dB (20 Hz to 20 kHz) |
| Sample Rate | 96 kHz |
| DSP | 32-Bit Delta-Sigma DSP at 96 kHz |
| Latency | 1 ms |
| Audio Delay | Adjustable Up to 100 ms per Channel |
| Crossover | 6/12/18/24/48 dB/Octave Linkwitz-Riley 6/12/18/24/48 dB/Octave Butterworth |
| EQ | 8-Band Parametric EQ per Channel |
| Limiting | Output, Peak |
| Analog Audio I/O | 4 x Block 3-Pin Male Balanced Line Input 4 x Block 2-Pin Female Speaker Output 1 x Block 3-Pin Male GPIO |
| Digital I/O | 2 x RJ45 Dante Input/Output (Control, I/O, Link) 1 x RJ45 Ethernet Input/Output (Network) |
| AC Input Power | 100 to 240 VAC, 50 / 60 Hz |
| AC Power Connector | 1 x IEC 15 A / NEMA 5-15 |
| Power Consumption | 600 W |
| Rackmount Size | 1 RU |
| Cooling | Fan (Variable Speed) |
| Certifications | CCC, CE, CSA, ETL, FCC, KETI, NOM, PSE, RoHS, UL *as per Manufacturer |
| Dimensions | 19.0 x 1.8 x 14.3" / 48.3 x 4.6 x 36.3 cm |
| Weight | 14 lb / 6.4 kg |
LEA Professional 704D Reviews
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 593826.1 |
| 3-5 | ₹ 587766.65 |
| 5-10 | ₹ 575647.75 |
| 10+ | ₹ 563528.85 |
Bulk discount will be automatically applied during checkout based on quantity.