Emotiva BasX A3+ Three-Channel Power Amplifier

Brand: Emotiva | Model: N/A

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Description
Specifications
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The Emotiva BasX A3+ is a high-performance 3-channel Class A/B power amplifier engineered to provide clean, powerful, and dynamic amplification for home theater and Hi-Fi audio systems. Designed to power the left, center, and right (LCR) speakers in a surround sound setup, the BasX A3+ delivers exceptional clarity, wide dynamic range, and precise speaker control while reducing the workload on your AV receiver or processor.

Built around a high-current Class A/B output stage and a heavy-duty linear power supply with an oversized toroidal transformer, the BasX A3+ produces 140 Watts RMS per channel into 8 ohms (all channels driven) and 200 Watts RMS per channel into 4 ohms. Its fully discrete signal path, short audio circuitry, and premium-quality components ensure low distortion, excellent channel separation, and natural, detailed sound reproduction for both movies and music.

For seamless system integration, the amplifier includes both balanced XLR and unbalanced RCA inputs for every channel, along with gold-plated 5-way speaker binding posts and 12V trigger input/output for automatic power synchronization with compatible AV processors and receivers. Advanced microprocessor-controlled protection circuitry safeguards the amplifier against overheating, short circuits, and other fault conditions without affecting audio performance.

Whether upgrading an AV receiver with dedicated amplification or building a high-performance 3.1, 5.1, or 7.1 home theater system, the Emotiva BasX A3+ delivers reliable power, refined sound quality, and audiophile-grade performance.

Key Features

3-Channel Class A/B Power Amplifier
140W RMS × 3 @ 8Ω (All Channels Driven)
200W RMS × 3 @ 4Ω
High-Current Fully Discrete Class A/B Output Stage
Heavy-Duty Linear Power Supply
Oversized Toroidal Power Transformer
Balanced XLR & Unbalanced RCA Inputs
Audiophile-Grade 5-Way Speaker Binding Posts
Wide Bandwidth & Low Noise Design
Microprocessor-Controlled Protection Circuitry
12V Trigger Input & Output
Heavy Steel Chassis with Aluminum Front Panel
Ideal for Powering Left, Center & Right Speakers
Designed for Home Theater & Hi-Fi Systems

Technical Specifications

Specification	Details
Product Type	3-Channel Power Amplifier
Brand	Emotiva
Model	BasX A3+
Amplifier Class	Class A/B
Channels	3
Power Output (All Channels Driven)	140W × 3 (8Ω, 20Hz–20kHz, THD < 0.1%)
Power Output (All Channels Driven)	200W × 3 (4Ω, 1kHz, THD < 1%)
Power Output (2 Channels Driven)	150W × 2 (8Ω), 250W × 2 (4Ω)
Power Supply	Heavy-Duty Linear Power Supply
Transformer	Oversized Toroidal Transformer
Frequency Response	10Hz – 80kHz (+0 / –1.8dB)
Power Bandwidth	20Hz – 20kHz (+0 / –0.02dB)
Total Harmonic Distortion (THD + N)	<0.02% (A-weighted)
Signal-to-Noise Ratio	>112dB (A-weighted)
Damping Factor	>500
Input Sensitivity	1.25V
Gain	29dB
Input Impedance	27kΩ
Inputs	3 × Balanced XLR, 3 × RCA
Speaker Outputs	3 × Gold-Plated 5-Way Binding Posts
Trigger Input	5–12V AC/DC
Trigger Output	12V DC (120mA Max)
Protection	Thermal, Short Circuit, Ground Fault & Overload
Power Requirement	115V / 230V AC, 50–60Hz (Auto Switching)
Dimensions (W × H × D)	432 × 102 × 394 mm (Approx.)
Weight	11.3 kg (25 lbs)
Finish	Black with Brushed Aluminum Front Panel