Integrated amplifier 80+80W RMS into 8 ohm, high current final stage, power section with toroidal transformer, electronic speaker protection.

Bluetooth aptX and AAC. MQA and MQA Studio support. Roon certified. 4 analogue inputs, 1 MM phono input, 2 USB inputs (1 on the front), 1 PC-USB input, 2 coaxial and 2 optical digital inputs, pre out output. Texas Instruments 32bit/384KHz D/A converter. Headphone jack. 4-line graphic LCD display. Speakers A, B, A+B. Dual 12V trigger command. Ethernet socket. RS-232. Controlled via Rotel iOS/Android App. Remote control supplied.

Other features

The A14MKII integrated amplifier delivers 80 Watts per channel (8 ohms) of Class AB amplification from your favorite sources: analog, digital, PC-USB with MQA, aptXTM wireless and Bluetooth AAC and moving magnet Phono preamplifier. Thanks to the carefully optimized power supply, DAC and amplifier circuits, the A14MKII ensures many hours of exceptional entertainment.

Output power: 80W/150W into 8/4 ohm

Total harmonic distortion: <0.018%

Frequency response: 10Hz-100kHz

Signal to noise ratio: 103dB

Damping factor: 220

Line sensitivity: 230mV

Line input impedance: 24kohm

Line input overload: 4V

Preamplified output level: 1.2V

Electrical/optical input formats: SPIDF LPCM up to 24/192

PC-USB input: up to 32/384, MQA

Dimensions (W×H×D): 430x93x345mm

Power supply/absorption: 230VAC, max 280W

Weight: 8.9 kg

WIIM PRO PLUS

Network DAC streamer. Music transmission via DLNA, WiFi, Chromecast, AirPlay 2 or Bluetooth 5.1 both in transmission and reception. Compatible with Alexa, Siri and Google. Internal microphone. Integrated popular streamer services, such as Spotify, Tidal, Qobuz, Amazon Music, etc. Roon Ready. WiiM Home App for both iOS and Android. Integrated audiophile AKM 4493SEQ DAC (32bit/768KHz). Quadcore A53 CPU. Multiroom. RCA analog audio input and output. Optical digital input and output. Coaxial digital output. Ethernet socket. Gapless playback. Remote control. Touch buttons on the top. Trigger out. Dimensions (WxHxD): 140x42x140mm. Weight: 400gr.

Other characteristics

To describe the WiiM Pro Plus simply this:
WiiM Pro Plus = WiiM Pro + Best A/D and D/A Converter + Operational Amplifier

Strengths

Simple audio system – direct connection to amplifier or active speakers

Audio quality of the WiiM Pro connected to a quality external DAC

Savings on external DAC and cable

Addresses compatibility issues with low-level DACs that do not handle clock, sampling, and bit depth, or do not support 24bit/192kHz digital input

Employs AKM AK4493SEQ audiophile DAC up to 768kHz and DSD512 with low distortion and wide dynamic range

High-performance output with 120 dB (A-wt) signal-to-noise ratio

Harmonic distortion THD+N (1 kHz):0.0004% (-108 dB) from 44.1k to 192k

Software Features

Chromecast Audio    

AirPlay 2

DLNA

Roon Ready

MIC less Amazon Alexa Voice Service (AVS) MRM (Multi-Room)

BT A2DP Source and Sink

Linkplay streaming services and multiroom

Spotify Connect/TIDAL Connect/Amazon Music cast

HD Output 24-bit/192kHz

Input up to 192KHz, 24bit

Bit perfect output

True gapless playback

10-band EQ or 24 Preset EQs

TI Audiophile DAC AKM AK4493SEQ

Frequent FW/App updates    

Free mobile and PC App

Hardware

Connectivity: Wi-Fi 2.4G/5G, Bluetooth BT5.1, Ethernet (100M）

Output stage with operational amplifier

Inputs: Line In RCA, Optical In

Outputs: Line out RCA, Digital Coaxial Out, Optical SPDIF Out

USB Type-C power    

12v Trigger for AMP

Mic for Multiroom audio auto-sync

Remote control

Controls and LEDs

Capacitive touch control: Play/Pause, Volume +, Volume -, 1 x Presets

LED: BT/WiFi/Line-in modes