Lotoo Gungnir – Reference DAC and Headphone Amplifier for uncompromising high-end sound

The Lotoo Gungnir is an uncompromisingly engineered high-end desktop DAC with an integrated headphone amplifier, combining state-of-the-art digital technology with audiophile precision. Equipped with a fully balanced circuit architecture, dual AKM AK4499EX DACs, and separate power supplies for both channels, the Gungnir delivers exceptionally detailed, dynamic, and natural music reproduction. Developed for discerning hi-fi enthusiasts and professional users, it forms the centerpiece of any high-quality audio setup.

Reference technology with dual DAC architecture

Inside, it features a fully balanced signal processing system with two AKM AK4499EX DAC chips and separate AK4191EQ digital modulators. The independent power supply for the left and right audio channels, as well as the discrete analog circuits, ensure excellent channel separation, minimal noise, and exceptionally precise imaging. The result is neutral, high-resolution reproduction with impressive dynamics and spatial depth.

Extensive connection options for maximum flexibility

The Lotoo Gungnir offers exceptionally versatile connectivity and can be easily integrated into demanding hi-fi and studio systems. In addition to USB-C, AES/EBU, and S/PDIF, both balanced XLR and unbalanced RCA outputs are available. For headphones, the Gungnir provides four connection options: 3.5 mm, 6.35 mm, 4.4 mm Pentaconn, and 4-pin XLR for balanced high-end headphones.

LTTP wireless audio for low-loss high-res transmission

With the proprietary LTTP (Lotoo Tele-Transport Protocol), the Gungnir supports high-resolution wireless audio streaming at up to 96 kHz / 24-bit. This allows music to be transferred conveniently and virtually losslessly between compatible Lotoo devices and enjoyed in the highest quality.

Intuitive operation and high-quality craftsmanship

Control is handled conveniently via an easy-to-read 2-inch TFT color display and high-quality control buttons on the front of the unit. The robust housing and first-class build quality underscore Lotoo’s uncompromising commitment to quality, making the Gungnir the perfect control center for demanding desktop hi-fi systems.

Highlights of the Lotoo Gungnir

• High-end desktop DAC with integrated headphone amplifier

• Dual AKM AK4499EX DACs with separate AK4191EQ digital modulators

• Fully balanced signal architecture with separate power supplies

• Discrete analog circuits for maximum sound quality

• USB-C, AES/EBU, and S/PDIF digital inputs

• Balanced XLR and unbalanced RCA line outputs

• Four headphone outputs: 3.5 mm, 6.35 mm, 4.4 mm Pentaconn, and 4-pin XLR

• LTTP wireless audio up to 96 kHz / 24-bit

• 2-inch TFT color display for convenient operation

• Designed for uncompromising high-end music enjoyment and professional audio applications

Technical specifications:

- DAC chips: 2 × AK4499EX + 2 × AK4191EQ
- DSP: ADI Blackfin BF706
- SRC: AK4137EQ
- Amplifier chips: 12 × BUF634A
- Supported formats: PCM up to 768 kHz, DSD up to DSD512
- Display: 2.0" TFT LCD
- Inputs: USB-C, AES/EBU (XLR), coaxial/optical SPDIF
- Outputs: XLR/RCA line, headphone (3.5 mm SE, 6.35 mm SE, 4.4 mm bal., 4-pin XLR bal.)
- Wireless: LTTP lossless
- Power supply: USB-C PD 20 V / 3 A
- Dimensions: 183 × 175 × 63 mm
- Weight: 1.8 kg

Balanced 4.4 mm output
- Frequency response: +0.03 / -0.07 dB (20–20 kHz)
- THD+N: 0.00025% @ 1 kHz
- S/N ratio: 132 dB (A-weighted)
- Dynamic range: 132 dB
- Channel separation: 131 dB
- Max. power: 8100 mW @ 32 Ω, 3100 mW @ 100 Ω, 1000 mW @ 300 Ω, 520 mW @ 600 Ω

Single-ended 3.5 mm output
- Frequency response: +0.03 / -0.01 dB (20–20 kHz)
- THD+N: 0.00037% @ 1 kHz
- S/N ratio: 130 dB
- Dynamic range: 130 dB
- Max. power: 2200 mW @ 32 Ω, 780 mW @ 100 Ω, 260 mW @ 300 Ω, 130 mW @ 600 Ω

Herstellerangaben:

BEIJING INFOMEDIA ELECTRONIC TECHNOLOGY CO., LTD.
No. 2 Cuiwei Road
100036 , Haidian District, Beijing
China
http://m.lotoo.cn

Verantwortliche Person:

audioNEXT GmbH
Isenberg St. 20
45130 , Food
Germany
www.audionext.de