![]() Given the unavoidable thickness of the x7 from having a flagship-class DAC, amp and a battery to match, making the x7 comfortably handhold able from a thickness point of view is also a significant challenge. After extensive comparison with other music players, they settled on a width of 64mm, which is a comfortable middle size between 58.6mm (iPhone5) and 67mm (iPhone6) that is very suitable for one-handed operation. Obviously, when it comes to music players, larger isn't always better. The x7 utilizes a full multitouch screen for operation. Reasonably sized for one-handed operation The resulting customizability allows you to customize the resulting sound (warm, neutral, etc.), output power (for driving IEMs or full-size headphones) or output port (single-ended or balanced, etc.) by choosing among different modules. Patent-pending dedicated source module + independent headphone amp module design keeps the compact integrated profile of a single portable music player while providing the sonic advantages of utilizing a separate headphone amplifier. Patented source + amp design for best of both worlds Compared to the ES9018K2M popularly used in portable devices, the original ES9018S features 6dB higher SNR and dynamic range at the cost of higher power consumption, a cost that the x7 is willing to pay with its robust power section. Its 8 output channels can be bridged 4-a-side for an astonishing 135db S/N ratio and dynamic range, while THD is as low as -120dB. No-compromises DAC for the Ultimate SoundÄesigned originally for hi-end home audio, the x7 is one of the first devices to utilize the original ESS ES9018S in portable audio. ![]() ![]() The RK3188 is also made in a new 28nm process, 55% faster and 60% more power efficient than the 45nm LPSoC process, ensuring long runtime with ultra-low leakage current. It is also 30% and 40% faster than Tegra3 at CPU and GPU performance respectively. The x7 utilizes Rockchip's RK3188 SoC, with 4 Cortex-A9 cores (each 35% faster than an A7) running at 1.4GHz. ![]() Powerful, power-saving CPU with 4x Cortex-A9 X7 Android-based smart portable music player ![]()
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