Emotiva BasX A7+ Seven Channel Power Amplifier

The Emotiva BasX A7+ Seven Channel Power Amplifier delivers exceptional audio performance for multi-channel home theater systems. Each of its seven channels produces 90 watts into 8 Ohms and 125 watts into 4 Ohms with all channels driven, maintaining a total harmonic distortion plus noise rating of less than 0.02 percent. The amplifier also features an A-weighted signal-to-noise ratio of 112 dB, ensuring crystal-clear audio with minimal background noise.

Built with a heavy-duty linear power supply and an oversized toroidal transformer, the A7+ provides stable and reliable power to all channels. Its refined Class A/B output stage, combined with advanced fault protection and 12V trigger input and output, allows seamless integration into any high-performance home theater or multi-channel audio system.

Audiophile-Grade Inputs and Connectivity

The BasX A7+ includes balanced XLR inputs for every channel in addition to standard unbalanced RCA inputs, offering enhanced noise rejection and broad compatibility with preamps and processors. This combination ensures optimal signal integrity for both high-end home theater systems and traditional audio setups.

The amplifier also features audiophile-grade five-way speaker terminals that accept banana plugs, spade lugs, or bare wire, providing secure and reliable connections to virtually any speaker. Unbalanced passthrough outputs allow multiple A7+ amplifiers to be chained together, making it ideal for powering additional zones or expanding a home theater system.

These features make the BasX A7+ a versatile amplifier capable of integrating smoothly into a wide variety of multi-channel configurations.

Flexible System Integration and Multi-Zone Operation

The Emotiva BasX A7+ Seven Channel Power Amplifier is designed to adapt to a wide range of audio setups. It can power a complete 7.1 surround system, immersive Dolby Atmos or DTS:X configurations, or upgrade the front channels of a receiver with preamp outputs. Its stable operation with both 8 and 4 Ohm speaker loads ensures reliable performance with a variety of speaker types.

Trigger input and output support allows the amplifier to work in conjunction with other trigger-enabled components, while Auto-On functionality ensures the unit powers on automatically when detecting an audio signal. This flexibility allows the A7+ to deliver high-quality performance in both single-room theaters and multi-zone audio installations.

Top Quality Components and Construction

The BasX A7+ Seven Channel Power Amplifier combines durable construction with high-performance components. Its rugged steel chassis and milled aluminum faceplate provide both strength and aesthetic appeal, while the internal layout uses double-sided FR4 circuit boards with plated-through holes to optimize signal paths. Carefully selected electrical components and a refined Class A/B output stage ensure precise and natural audio reproduction.

The oversized toroidal transformer in the linear power supply delivers ample current to support dynamic and demanding speaker loads. This combination of quality parts and thoughtful engineering ensures the A7+ delivers consistent audiophile-grade performance and long-term reliability, making it a dependable choice for serious home theater enthusiasts.

Wide Range of Input and Output Options

The BasX A7+ is engineered for compatibility with a wide variety of audio sources. Each channel features balanced XLR inputs and standard unbalanced RCA inputs to accommodate different preamps, processors, and AV receivers. Speaker connections utilize heavy-duty five-way binding posts that accept bare wire, spade lugs, or banana plugs. The amplifier also includes a 12V trigger input and output for seamless integration with other components.

Unbalanced passthrough outputs allow chaining multiple amplifiers for expanded zones. With a variable gain adjustment on each channel, the BasX A7+ makes it simple to match levels across multiple amplifiers or stereo zones, providing consistent volume and performance throughout the listening environment.

Circuit Design and Sound Quality

The Emotiva BasX A7+ Seven Channel Power Amplifier is designed with a high-current short signal path Class A/B output stage and a heavy-duty linear power supply to deliver clean, detailed, and natural sound. Microprocessor-controlled monitoring and protection circuitry safeguards against overheating, shorted speaker connections, and other common faults, without impacting audio quality.

The amplifier offers broad frequency response from 5 Hz to 80 kHz, low total harmonic distortion, and a damping factor greater than 500, producing tight, controlled bass and accurate reproduction across all channels. Whether used for immersive home theater or high-resolution music playback, the A7+ ensures a smooth, dynamic listening experience with minimal coloration.

Specifications and Operational Features

The BasX A7+ delivers 90 watts per channel into 8 Ohms and 125 watts per channel into 4 Ohms with all channels driven. When only two channels are driven, it outputs 120 watts per channel into 8 Ohms and 175 watts per channel into 4 Ohms. Frequency response ranges from 5 Hz to 80 kHz with a THD+N rating of less than 0.02 percent.

Input impedance is 27 kOhms with a gain of 29 dB. Front panel controls include standby and status indicators, while rear panel features include gain adjustment, trigger input and output, and AC power selection. Compact and weighing 28 pounds unboxed, the BasX A7+ is ideal for both multi-channel home theater setups and high-quality multi-zone audio systems.