The M5si is a sensational integrated amplifier with exceptional power and clarity.

The M5si is a real high end amplifier. At 150wpc, with high current delivery, it will drive virtually any loudspeaker easily. Internally the M5si is configured as two independent monoblocs with a separate preamp, but all mounted on one pcb. Its technical performance is about equal to the M6si.

The M5si In Brief

• 150wpc
• Excellent technical performance
• Preamp output
• Unconditional stability, will drive any loudspeaker
• Wide range of useful inputs including asynchronous USB and MM phono
• Excellent hunky build quality

Specifications

Power output: 150 W per channel into 8 ohm Signal to Noise Ratio: >100 dB ‘A’ - weighted Frequency Response: +0, –0.1 dB, 10 Hz to 20 kHz Inputs: 4x Line Level RCA, 1x USB type ‘B’ connector - asynchronous data stream at up to 24-bit/96kHz, 1 x MM phono input, Trigger in Phono Sensitivity: 3 mV nominal (MM) Signal / noise ratio: >70 dB ‘A’-weighted Input impedance: 50 k ohm (MM) Frequency response: RIAA/IEC ±0.5 dB 20 Hz-20 kHz Outputs: Trigger out, Fixed, line level output, Variable, preamp output Dimensions - WxHxD (mm): 440 x 100 x 405 Weight (unpacked / packed): 14.6 kg/ 18.8 kg

NAIM MU-SO QB 2ND GENERATION ALL-IN-ONE MUSIC SYSTEM

Mu-so 2nd Generation is the successor to the multiple award-winning Mu-so wireless music system, re-engineered for class-leading performance, functionality, and usability by Naim's experts in Salisbury, England. Combining Naim's 45 years of hi-fi mastery with the very latest music-streaming technology and premium design quality, this is the ultimate single-box system you and your music deserve. From up to 32bit high-resolution streaming to multiroom music; you’ve never heard it so good from an all-in-one wireless system. Mu-so Qb 2nd Generation now comes with a stylish, easy to use remote control allowing quick control of common functions including volume, play/pause and track skip. The 2nd Generation’s speaker grille has had a style update. The standard black grille can be easily swapped for one of 3 new color options – Olive, Terracotta and Peacock - to best suit your taste and décor.

Specifications

Audio Inputs Streaming: Apple AirPlay 2, Chromecast Built-in, UPnP, Spotify® Connect, TIDAL, Roon Ready, Bluetooth, Internet Radio Analog input: 3.5mm Jack USB: USB2 (Type A connector) Digital (S/PDIF): Optical S/PDIF up to 96 kHz Connectivity Multiroom: Sync up to five Naim streaming products and control via the Naim App Network: Ethernet (10/100Mbps), Wi-Fi (802.11a/b/g/n/ac), BLE v4.2 Formats Internet radio formats: Windows Media-formatted content, MP3, ACC, Ogg Vorbis streams and MMS Internet radio provider: vTuner Premium 5* Audio formats WAV, FLAC and AIFF – up to 24bit/384kHz ALAC (Apple Lossless) – up to 24bit/384kHz MP3 – up to 48kHz, 320kbit (16 bit) AAC – up to 48kHz, 320kbit (16bit) OGG and WMA – up to 48kHz (16bit) DSD- 64 and 128Fs Bluetooth - SBC, AAC Note: Gapless playback supported on all formats Warranty: Two years Physical Finishes: Burnished and anodized aluminum casework, CNC milled, bead blasted and anodized aluminum heatsinks, dual-tone grey and black fabric grill. Grill color options in Olive, Peacock, and Terracotta Weight: 12.34 lb Dimensions (HWD): 8.2" x 8.58" x 8.34" Amplifier output: 300 W – (4 x 50 W, 1 x 100 W) Power Consumption Typical use: 15 W Standby mode: < 2 W Deep sleep (No-network standby mode): < 0.5 W Speaker system: Stereo 3-way; DSP-optimised dual auxiliary bass radiator acoustic system Supplied with: Dual-tone grey and black grill, remote control, power cord, reset pin-hole tool and information booklets