- The new Lotoo Mjölnir is an all-in-one desktop audio system that combines audio quality and portability at the highest level.
In principle, it is a desktop audio solution, but one that can certainly be described as a portable solution. In the case of the Lotoo Mjölnir, the manufacturer Beijing Infomedia Electronic Technology Co. Ltd. refers to it as an all-in-one system aimed at users who are not prepared to compromise on quality.
Ultimately, it is a digital audio player from the Lotoo brand, also known as a DAP for short, which also has a D/A converter and a headphone amplifier. In principle, a conventional DAP also offers all of this, but in the case of the Lotoo Mjölnir, these functions are available at an absolute reference level.
Lotoo Mjölnir – A portable digital audio player, DAC and headphone amplifier
No less than 20 years of experience in audio research and development have been utilised to create the new Lotoo Mjölnir, an all-in-one Deskop system which, according to the manufacturer, perfectly combines audio quality and portability.
As already mentioned, three important tasks are covered here, namely the function of a digital audio player, that of a D/A converter and, last but not least, that of a headphone amplifier.
The new Lotoo Mjölnir packs all this into an extremely elegant metal housing, the design of which is deliberately intended to convey the charm of a professional recording studio technology tool, but in a very dignified and almost exquisite way.
The Lotoo Mjölnir measures 18 x 18 x 6 cm and weighs a respectable 2.7 kg, which is due to its solid workmanship.
The front is almost littered with controls and connections, and a 2.2 inch LC display with a resolution of 480 x 360 pixels can also be found here. There are also plenty of connections at the rear and there is even a second display at the top, which has a screen diagonal of 4 inches and is designed as a touchscreen with a resolution of 800 x 480 pixels.
Countless interfaces and connections
Right at the front, the Lotoo Mjölnir offers four connections for headphones in the form of a 3.5 mm stereo mini jack and 6.3 mm stereo jack as unbalanced outputs, as well as a 4.4 mm Pentaconn and a 4-pin XLR as a balanced version, in addition to the aforementioned buttons and rotary encoders as well as the display.
The rear has USB ports first and foremost, in the form of a USB-C interface for data transfer, another USB-C interface for charging, as well as a USB-A interface for connecting to a PC or Mac and corresponding USB storage media.
For digital connections to the outside world, the new Lotoo Mjölnir not only offers an optical and coaxial S/PDIF, but also an AES/EBU, both as input and output.
Analogue signals are output either unbalanced via a pair of RCA sockets or balanced via a pair of XLRs.
High-performance system based on Lotoo-OS
The developers of the Lotoo Mjölnir rely on their own operating system, the so-called Lotoo-OS, whereby an ARM Cortex processor of the type NXP iMXN6LL from NXP Semiconductors and an ADI Blackfin BF706 DSP from Analog Devices Inc. form the basis for a high-performance platform for data processing.
The Lotooo Mjölnir comes with a slot for SD cards, which serve as a data carrier for audio data, has WiFi for integration into the network so that it can be used as a streaming solution, for example, as it is labelled as Roon Ready and also supports Apple AirPlay.
Bluetooth is also included, with support for LDAC in addition to the SBC and AAC codecs.
Signal processing up to 32 bit and 768 kHz as well as DSD512
The Lotoo Mjölnir uses the finest D/A converters from the specialist Asahi Kasei Microdevices Corporation for signal processing with up to 32 bits and 768 kHz or DSD up to and including DSD512, namely the AK4499EQ in conjunction with an output stage based on the LME49600 amp modules from Texas Instruments, of which eight are used.
According to the data sheet, this provides up to 1.2 W into 32 ohms at the unbalanced connections for headphones and up to 2.5 W into 32 ohms at the balanced versions.
Integrated rechargeable battery
As already mentioned several times, the Lotoo Mjölnir is somewhere between a mobile solution and a desktop audio system. In any case, it is also equipped with an integrated rechargeable battery, which is said to be a 94 Wh lithium-ion battery. As we have already mentioned, this is charged via a USB-C port and the PD 3.0 20 V 3 A charging standard.
Prices and availability
The new Lotoo Mjölnir should already be available from specialist retailers, although it is fair to say that it is a very exclusive solution throughout. The recommended retail price is listed at € 7.790,-.
Getting to the point
As a solution with outstanding measurement values, developed on the basis of 20 years of experience and incorporating the finest components and impeccable manufacturing quality, all this should characterise the Lotoo Mjölnir and make it an all-in-one solution in the desktop audio sector, aimed at a particularly discerning clientele who do not want to compromise on sound quality in this segment either. Incidentally, no more than 600 units of this solution will be available worldwide, as the manufacturer Beijing Infomedia Electronic Technology Co. Ltd. emphasises.
|PRODUCT||LOTOO MJÖLNIR HIGH-END ALL-IN-ONE PORTABLE AUDIO SYSTEM|
|Manufacturer||Beijing Infomedia Electronic Technology Co. Ltd.|
|More about this manufacturer at HIFI BLOG|
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