● 6.3mm ultra-thin body design, balancing portability and ease of everyday use.
● 4.4mm balanced output up to 500mW at 32Ω, providing high current driving power.
● Dual headphone outputs: 3.5mm single-ended and 4.4mm balanced, catering to different headphone pairing needs.
● Utilizes AK4493SEQ DAC, supporting up to PCM 32bit/768kHz and DSD512.
● Built-in self-developed fully discrete current mirror I/V converter, enhancing transparency and linearity.
● Equipped with dual Accusilicon femtosecond-level low-phase-noise crystal oscillators, improving timing stability and reproduction accuracy.
● 9-channel independent power supply structure combined with power isolation technology reduces interference from mobile phone power supplies.
● Supports up to PD 60W simultaneous charging and discharging, allowing simultaneous listening and phone charging.
● 0.87-inch OLED screen clearly displays gain, filter, EQ, and playback information.
● Detachable and retractable Type-C FPC. Connectivity and Magnetic Attraction Design for Compatibility with More Phones
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Product Introduction
The COCOM I is a magnetic DAC/amplifier designed by NiPO for mobile HiFi use, with a clear design focus on slimness, portability, high output, and high integration. It doesn't rely on traditional short external cables; instead, it uses a detachable, retractable Type-C flexible circuit board and magnetic structure, allowing for a closer fit to the phone. For users who want to reduce the clutter of external cables while retaining independent DAC and amplifier power, the COCOM I has a clear product positioning, particularly suitable for portable streaming, mobile phone music players, and mobile high-resolution audio applications.
In terms of practical use, the COCOM I emphasizes actual driving power and high compatibility within a small size. Its 3.5mm single-ended output reaches 125mW@32Ω, and its 4.4mm balanced output reaches 500mW@32Ω, providing sufficient power for most in-ear headphones and some easily driven headphones. The manufacturer also emphasizes its ability to handle loads as low as 8Ω and its low output impedance design, allowing headphones with different impedances and sensitivities to perform more stably. Combined with a 120dB signal-to-noise ratio, 125dB dynamic range, and wide frequency extension, it is suitable not only for those seeking powerful output but also for portable systems demanding a cleaner background and more complete detail.
In terms of core technology architecture, the COCOM I uses the AK4493SEQ DAC chip, paired with the SPV5048PRO USB decoding architecture, and is driven by two SGM8262 chips. One of its key technologies lies in its self-developed fully discrete current mirror I/V conversion circuit, also known as the CMMT architecture. Through high-precision transistor matching, the current signal output from the DAC enters the subsequent processing more directly, reducing phase and transient errors caused by multiple conversions. The clock section uses the American Accusilicon AS318-Lite Series femtosecond-level low-phase-noise dual crystal oscillators to improve the timing stability of digital audio. The power supply section adopts a 9-channel independent power supply architecture, a power isolation chip, and multiple Panasonic and Vishay low-ESR filter capacitors. These are core structures that directly affect decoding stability, background purity, and dynamic response; they are not simply a matter of stacking specifications.
In terms of structure and portability, the COCOM I's 60×41×6.3mm body and 28g weight are clearly designed for use with mobile phones. The aluminum alloy casing and OLED display module are part of the actual functional structure, while the magnetic attraction sheet and N52-grade neodymium iron boron strong magnet system are designed to solve the problems of adhesion stability and compatibility with different mobile phones. The detachable and retractable Type-C FPC flexible connection also allows for flexibility in matching different mobile phone thicknesses and protective cases, while ensuring plug-and-play durability and high-speed signal transmission quality. If users usually value direct mobile phone drive upgrades, simultaneous charging and discharging, 4.4 balanced output, and a more complete player-level architecture, the COCOM I is a highly integrated magnetic DAC/amplifier with a very clear positioning.
