NuPrime Omnia A300SE Integrated Streaming Amplifier

Omnia A300SE full-featured multi-zone streaming integrated amplifier

The NuPrime Omnia A300SE is a full-featured multi-room streaming integrated amplifier (2 x 150W @ 8 ohms; 2 x 200W @ 4 ohms) capable of Wi-Fi 24-bit/192kHz and Bluetooth 5.0 aptX HD streaming. The Omnia A300SE includes multiple digital and analog inputs, with up to USB 24-bit/384kHz and DSD256 decoding. The A300SE supports all major online streaming services, Bluetooth 5.0 (aptX HD). AirPlay 2, and network DLNA streaming.

Feature Highlights

• .Amplifier capable of 2 x 150W @ 8 ohms and 2 x 200W @ 4 ohms power
• Wi-Fi 24-bit/192kHz and Bluetooth 5.0 aptX HD streaming
• Multiple digital and analog inputs, with up to IIS 32-bit/768kHz, USB 24-bit/384kHz, and DSD256 decoding
• Coaxial, Optical and analog Pre-Out
• Supports all major online streaming services (Amazon Music, Deezer, iHeartRadio, Qobuz, QQ Music, Spotify, TIDAL, TuneIn, Napster, Ximalaya), AirPlay 2, and network DLNA

The free iOS and Android app allow you to easily control your smart music system and select your source music and group destination speakers (including receiving streamers).

Streaming Hi-Res

• Supported "CD Quality" Streaming Services: Tidal HiFi
• Supported Hi-Res Streaming Services: Qobuz Hi-Res
• Spotify Connect and TIDAL Connect are supported.
• Deezer HiFi, Tidal HiFi Plus, Amazon Unlimited HD are not supported

Technical Highlights

A combination of high-power Class-D amplifier, 64-bit quad-core Arm Cortex-A53 processor, NuPrime proprietary SRC chip, Cirrus Logic CS43131 DAC, plus other audiophile-grade components enable the Omnia A300SE to achieve world class performance above its peers.

Amlogic A113X
64-bit quad-core Arm Cortex-A53 processor for high resolution wireless streaming..

Audiophile-grade                                                                                 
components &  noise filter  

Bluetooth Wireless HD
Qualcomm aptX HD supports 24-bit music quality over  

      

                                                  
The Omnia A300SE utilizes a compact yet powerful Class-D amplifier capable of signal bandwidth up to 100kHz with advanced integrated feedback design and error correction for very low noise and distortion. The Cirrus Logic CS43131 combines a next-generation, low power audio DAC with a high-fidelity headphone amplifier to provide a superior system-level audio performance. The onboard low noise, ground-centered headphone amplifier provides proprietary AC impedance detection to support headphone fingerprinting to provide a consistent and transparent audio experience for the end user regardless of transducer impedances or frequency responses.

SPECIFICATIONS

Amplifier

• .Power: 150W @ 8 ohms; 200W @ 4 ohms (both channels driven)
• THD: <0.02% (AUX IN, 1W, @ 8 & 4 ohms) <0.01% (OPT IN, 1W, @ 8 & 4 ohms)
• Signal-to-Noise Ratio: >95 dB (Digital input, 10W out @ 8 ohms)
• Clipping Power: >230W (1kHz @ 4 ohms, both channels driven)
• Frequency Response: +0.6 dB/-1dB (12 Hz – 22 kHz)
• Channel Separation: >85dB (1 kHz AUX); >105 dB (10 kHz Digital)
• Input Sensitivity:0.85V (AUX & OPT) for 100W @ 8 ohms /  0.75V (AUX & OPT) for 100W @ 4 ohms
• Standby Power: <0.5W

DAC & Wireless

• Bit Depths: 16-32 bit
• Streaming Audio Processing Engine: up to 192KHz / 24-bit
• IIS/DSD HDMI Input: PCM up to 768KHz/32Bit and DSD up to DSD256
• USB PCM/DSD Input: PCM up to 384kHz/32Bit and DSD up to DSD256
• Optical S/PDIF Input: PCM up to 192KHz and supporting DoP format DSD64
• Optical, Coaxial and analog Pre-Out
• Bluetooth: Two-Way (Receive and Headphone modes)
• Network Connectivity: Gigabit Ethernet RJ45, 802.11 b/g/n Wi-Fi

** Mobile devices can stream Bluetooth music to Omnia A300SE, but it can not stream to Bluetooth earphones.

Dimension and Weight

• Product Dimensions (W x H x D): 280 x 55 x 250 mm (includes feet and extended rear panel terminals)
• Product Weight: 3 kg (6.6 lbs.)
• Package Dimensions (W x H x D): 440 x 100 x 340 mm
• Shipping Weight: 5 kg (11 lbs.)

All specs are measured according to IHF 202 CEA 490-AR-2008 standard. THD is measured using AP AUX 0025 passive filter and AES 17 active filter.

Listening Guides

The Omnia A300SE is the first streaming integrated amplifier from NuPrime. There are bound to be comparisons with the other integrated offerings like the IDA-8 or the IDA-16. To say that it sits between the IDA-8’s slightly warm nature and the IDA-16’s neutral and large sound is probably insufficient to describe the A300SE’s sound signature.

Firstly, to listen to the A300SE on its own without comparison, one may wonder where the A300SE excels. All the desirable sonic attributes such as detail retrieval, tonal accuracy, and imaging are all up to the usual NuPrime standards. Yet, it doesn’t have the unique sound characteristics of the IDA-8 or the IDA-16 that one would immediately notice and relate to. The overall presentation is of an even tonal balance, calm and collected, to avoid edginess.

So while the other amps will likely make an impression of how they sound and provide a picture of what music genres they favor or matching equipment, the A300SE aims to accommodate a wide range of equipment and genres. Not forgetting that this is a streaming amplifier that most people would use the A300SE to stream music from their servers or online streaming services, the slightly safe approach would make sense for such a product. And this is only true when the A300SE is set to the FLAT EQ with the 8R output setting.

The A300SE comes with two output settings for the power amplifier matching with higher or lower impedance speakers. While one could easily follow the speaker’s nominal impedance rating to set the output, the abundance power output means that the 8R setting would have no problems driving a number or lower impedance speakers as well. And this is where you can begin to tailor the A300SE’s sound. The 4R setting increases the speed and dynamics, making for a more exciting listen, and some users would prefer this sound over the calmer and slightly more accurate sounding 8R setting.

The various EQ presets also allows users to add some flavor to the A300SE’s sound without sacrificing its detailed and composed nature. While the FLAT setting works quite well for online streaming services, many would favor the Loudness EQ with higher bit-rate and less compressed material. This setting brings about fullness in the sound, which makes the soundstage somewhat wider and deeper. Though other EQ settings may be associated with musical genres, it is entirely worth experimenting with optimal system matching in different setups.

Finally, before assessing the A300SE, the amp requires quite a fair bit of running-in like other NuPrime amplifiers. At least 50 hours is recommended for the sound to open up and gain an extra degree of tonal richness.