









Acoustas AC650 DSP Amplifier - in Onyx Black
Acoustas AC650 DSP Amplifier - Onyx
The Acoustas AC650 in Onyx is a high-performance DSP amplifier meticulously designed for speaker builders who demand precision, versatility, and value. Featuring a 10-channel speaker manager and a 6-channel amplifier, it provides all the tools needed to fine-tune multi-way speaker systems. From configuring crossover points to applying a 15-band PEQ per channel, the AC650 gives you the power to craft your ideal sound right from the palm of your hand.
Easily control your system via WiFi using iPhone, macOS, or Android devices. The AC650 is built with a refined signal path utilizing I2S technology, ensuring the shortest and cleanest route from source to signal processor to amplifier. This innovative design minimizes noise and maximizes audio fidelity, delivering an immersive listening experience comparable to premium Hi-Fi systems at a fraction of the cost and 100% more fun.
Every feature, from crossovers to equalizers, is rigorously tested and supported by detailed measurements and a comprehensive technical report, ensuring reliable, consistent, and professional-grade performance.
Proudly designed and assembled in the USA, the AC650 comes with a 30-day risk-free guarantee. If it doesn’t exceed your expectations, simply return it in its original condition for a full refund. Additionally, our team in Richmond, Virginia, is always available to answer your questions and provide expert support.
As a future-proof solution, the AC650 evolves with ongoing app updates, introducing new features and enhancements to ensure your system remains at the forefront of audio technology.
Specifications:
- Bluetooth® AptX-HD
- USB Audio 24bit/192kHz
- Optical (S/PDIF) up to 24bit/192kHz
- Coaxial (S/PDIF) up to 24bit/192kHz
- 1-6 Powered Outputs (50W/CH)
- 7-8 Optical (S/PDIF) Outputs
- 9-10 RCA Outputs
A,B,C, and D presets will store: Tone, Channel Gains, Inverts, Time Delays, Crossovers, and EQs for each preset. Average switch time from preset to preset 5ms.
New features and updates will be available through the Acoustas App.
Technical Specifications:
0.073505% @ 1kHz
62.68dB @ 1kHz
100dB @ 36 Watts into 4 Ohms
6 channels simultaneously continuous power maximum
For 199.2W power supply:
- 30W into 4 Ohms
- 30W into 8 Ohms
For 252.0 W power supply:
- 37W into 4 Ohms
- 37W into 8 Ohms
4 channels simultaneously continuous power maximum
For 199.2W power supply:
- 45W into 4 Ohms
- 40W into 8 Ohms
For 252.0 W power supply:
- 54W into 4 Ohms
- 40W into 8 Ohms
2 channels simultaneously continuous power maximum
For 199.2W power supply:
- 45W into 4 Ohms
- 40W into 8 Ohms
For 252.0 W power supply:
- 54W into 4 Ohms
- 40W into 8 Ohms
- 2 Channels up to 24-bit/192kHz Optical
- Up to 50-foot cable at 24-bit/96kHz
- 2 Channels Analog Outputs
- 112dB SNR 2.1V RMS
- Up to 50-foot RCA cable
- 24 V DC - 8.3A (CUI, Inc. for Deluxe Mini)
- 25.2V DC - 10A (Onyx)
Rich Profile
Features all available modules and the DSP samples at 24bit/96kHz
Pure Profile
Features core modules only and the DSP samples at 24bit/192kHz
Simultaneous programming 1-10 channels via WiFi
1-10 Channels
0-50ms
High Pass and Low Pass 20-20kHz
Butterworth 6,12,18,24,30,36,42,48 dB/Oct
Linkwitz-Riley 12,24,36,48 dB/Oct
Bessel 6,12,18,24,30,36,42,48 dB/Oct
Live tuning of 1-10 channels
Frequency, Gain and Q
9" x 7" x 2.6"
3 lb 11 oz
2.4 GHz
