Tempotec March III-M3 is a new high-performance desktop DAC and amplifier with Bluetooth connectivity. Tempotec has equipped the March III with high-quality components, including the latest generation AK4493SEQ decoding chipset, custom-designed FPGA circuitry, and high power amplification chipset. March III is a versatile device that can be implemented in a variety of scenarios including speakers, headphones, etc. This is the latest device that supports decoding of all leading PCM, DSD and MQA audio signals.
Latest Generation AKM DAC Chipset
Tempotec March III-M3 is equipped with the latest generation audio decoding chipset from AKM. It has an AK4493SEQ DAC chip installed. It is a high-performance 32-bit DAC that supports PCM, DSD and MQA high-resolution audio decoding.
High Definition Bluetooth
Tempotec March III supports Bluetooth V5.2 high definition connectivity. It supports all leading Bluetooth data protocols, including LDAC, SBC, AAC, etc. Thanks to the advanced Bluetooth chipset, the connection on the March III covers a wide range of up to 30 meters.
Use the March III as you wish
The Tempotec March III is a very versatile device. It supports a variety of use cases with multiple outputs including coaxial, optical, RCA and headphone. Coaxial and optical ports allow connection to further HiFi DACs in the chain, an RCA line output provides support for subsequent amplifiers and powered speakers, and separate outputs are provided for connecting headphones.
High-Res PCM, DSD, MQA Signals
Tempotech March III is a high-performance decoder that supports modern high-resolution PCM and DSD audio signals. It supports PCM signals with bitrates up to 32bit/768kHz and DSD signals up to DSD512. March III also supports 8x MQA signal, bringing true studio sound to your desktop.
Dual headphone output and powerful amplifier section
The Tempotec March III features two headphone outputs, including a 3.5mm single-ended port and another 4.4mm balanced port. Featuring four OPA1688s, the March III has a powerful amplifier section. It has adjustable gain settings for easy connection of both sensitive and power-hungry headphones. Tempotec March III delivers up to 630 mW of pure headphone output power at 32 ohms impedance.
Adjustable Treble Settings
In addition to the variable gain feature, the March III also allows users to enable a bass boost mode. It provides clearer, deeper and more impressive bass response.
Technical characteristics of Tempotec March III-M3:
RCA parameters:
- Output Level: 2VRMS
- Frequency response range: 0-60 kHz
- SNR: -119 dB
- THD+N: 00006%
- Crosstalk: 113 dB
SPDIF digital output parameters:
- Output Level: 2VRMS
- Frequency response range: 0-80 kHz
- SNR: -140 dB
- THD+N: 000008%
Headphone output parameters:
- Output Level: 4VRMS (44mm)/2VRMS (35mm)
- Frequency response range: 0-50 kHz
- SNR: -118dB(44mm)/-116dB(35mm)
- THD+N: 00009%(44mm)/0001%(35mm)
- Crosstalk: 120dB(44mm)/73dB(35mm)
- Output Power: Up to 630 mW (4.4 mm)/310 mW (3.5 mm) @ 32Ω
- Output impedance: 03Ω
