Integra 8500DSP

Eight channels, 500 watts each into 4 ohms, built-in DSP processing, and the ability to drive both low-impedance residential speakers and 70/100 V lines in commercial installations. The Integra 8500DSP is the most powerful model in the Professional Amplifier series, launched in September 2025 at the CEDIA trade show. Integra developed it in consultation with integrators, and it shows in every design choice.

Eight channels, two impedance approaches

The 8500DSP operates in Class D and features a hybrid low-impedance / high-impedance topology that allows it to cover a very broad range of installations. In single-ended mode, each channel delivers 500 W into 4 ohms or 250 W into 8 ohms. In BTL bridging mode (Bridged Tied Load), two channels combine to provide up to 1,000 W, a mode available both into 4/8 ohms and on 70 V and 100 V lines.

This versatility has a practical benefit: the same amplifier can power high-fidelity in-ceiling speakers in a hotel’s living spaces and, at the same time, distribute sound over constant-voltage lines in hallways or common areas. No need to stack two different amplification technologies in the rack.

One point worth noting: Wi-Fi is limited to 2.4 GHz. In an equipment room already saturated with wireless signals, an Ethernet connection (LAN port) will remain the most reliable choice for network connectivity.

Built-in DSP that replaces an external processor

The “DSP” suffix is not a marketing argument. The amplifier includes a digital signal processor that handles parametric EQ, crossover filters, limiters, compressors, and delay management. In a typical installation, these functions require a dedicated external processor. Here, they are accessible directly from the amplifier’s configuration interface, which reduces the number of devices in the rack and simplifies cabling.

The DSP also includes presets developed with Klipsch engineers for their installation speakers (CI range). Knowing that Integra and Klipsch belong to the same group (Premium Audio Company), this collaboration is not surprising, but it offers a real practical advantage: the EQ curves, limiting thresholds, and compression parameters are factory-set for each compatible speaker model. The installer loads the preset, adjusts if necessary, and the system is ready to go.

For speakers from other brands, configuration remains manual via the DSP, which requires a bit more time and acoustic knowledge.

Connectivity designed for the field

The rear panel uses a white background with black labeling, a detail that makes connections easier to identify in a dimly lit equipment rack. Speaker outputs use screw-terminal Phoenix connectors, a standard in professional installation that ensures reliable, removable contact without soldering.

On the input side, the 8500DSP offers four analog RCA inputs (unbalanced) and one coaxial digital input, all equipped with automatic signal detection (Auto Sensing). The built-in digital-to-analog converter operates at 24 bits / 48 kHz. A coaxial digital output also allows a second device to be daisy-chained. The choice of RCA connectors rather than balanced XLR clearly positions the unit toward residential or semi-professional sources: preamplifiers, AV processors, or network players. For integration into a studio or broadcast environment with long-distance balanced connections, adapters or a format converter will be required.

Remote configuration and multi-zone control

All configuration of the 8500DSP is handled through a web interface accessible from a browser via the local network (wired or Wi-Fi). The installer can adjust inputs, zones, output levels, DSP parameters, and backup settings there without needing proprietary software installed on a dedicated workstation.

For everyday control, Integra optionally offers the ZC1, a PoE-powered (Power over Ethernet) wall controller. Available in black or white, it syncs with the amplifier in real time and provides access to essential functions (volume, source selection, zone navigation) behind a four-digit PIN code. Each 8500DSP supports up to eight ZC1 controllers, enough to cover an entire building with one control point per zone.

Integration with home automation and control systems is ensured by drivers for Q-SYS, Crestron, Control4, RTI, AMX, Symetrix, Elan, and URC. The amplifier is configured via Intuitive Control SW software, a tool specific to the Professional Amplifier series.

Rack format and active cooling

The chassis occupies 2U in a 19-inch rack (88 mm high), with a width of 440 mm and a depth of 414 mm. The 11.6 kg weight remains reasonable for an amplifier of this power. The rack-mount kit is included.

Cooling works through front intake and rear exhaust. This front-to-back airflow is compatible with equipment racks ventilated at the front, the most common setup in installations. With 4,000 watts total available in BTL, active ventilation is obviously called upon under heavy load. Integra does not specify the fan activation threshold or noise level, information that would be useful for installations where the amplifier cannot be isolated in a closed equipment room.

Technical Specifications

Key Features

• High power for demanding installations
• Hybrid Lo-Z / Hi-Z distribution (4 Ω, 8 Ω, 70 V, 100 V)
• Simplified user interface with remote control
• Built-in presets for Klipsch speakers
• Dedicated software tools for installation and maintenance
• Compatibility with zone controller (optional)
• Design optimized for professional integrators

Output Power

• At 4 Ω:
  • 8 x 500 W
  • 4 x 1000 W (BTL)
• At 8 Ω:
  • 8 x 250 W
  • 4 x 1000 W (BTL)
• At 70 V: 4 x 1000 W (BTL)
• At 100 V: 4 x 1000 W (BTL)
• Optimal distribution for low- and high-impedance systems
• Ideal for very large spaces requiring a high output level

Inputs

• 4 unbalanced RCA inputs (Auto Sensing)
• Coaxial digital input (Auto Sensing)
• 24-bit / 48 kHz DAC

Outputs

• Coaxial digital output
• Speaker outputs (Phoenix connectors)

Network Connectivity

• Wi-Fi (2.4 GHz only)
• LAN port (Ethernet)

Features

• Intuitive web interface for online configuration
• Synchronization with optional wall controller
• Custom software tools for quick installation
• Rack hardware included

Format and Installation

• Rack format: 2U
• Simple installation in an equipment rack

Dimensions and Weight

• Dimensions (H x W x D): 88 x 440 x 414 mm
• Weight: 11.6 kg

Applications

• Professional audio installations
• Hotels, shopping centers, public venues
• High-power multiroom systems
• Large halls and event spaces