Description
The Onkyo V-T750.5A is
a Class-AB, 5-channel car amplifier designed to power a full vehicle audio system, including four speakers and a dedicated subwoofer. It was released in August 2023 under the “Onkyo Mobile Entertainment” branding. Key specifications
The amplifier is stable down to a 2Ω stereo load or 4Ω bridged. Its power output depends on the impedance of the connected speakers:
- RMS Power @ 4Ω: 75W×4+350W×175 W cross 4 plus 350 W cross 175W×4+350W×1
- RMS Power @ 2Ω: 90W×4+500W×190 W cross 4 plus 500 W cross 190W×4+500W×1
- Bridged Power @ 4Ω: (for subwoofer at 2Ω)180W×2+500W×1180 W cross 2 plus 500 W cross 1180W×2+500W×1
- Max Power: 3600 watts
Features
- Low Distortion: A total harmonic distortion (THD) of < 0.2% at rated power indicates a clean and accurate sound output.
- Flexible Inputs: The amplifier supports both RCA and speaker-level inputs, allowing for connection to a wide range of head units, including factory-installed stereos.
- Tunable Filters: Built-in variable high-pass and low-pass electronic crossovers allow for precise frequency tuning and system customization.
- Bass Boost: The variable bass boost feature lets users enhance low-frequency performance to their liking.
- High Signal-to-Noise Ratio: A ratio of > 90dB ensures the music is clear and free from background noise.

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