Improve the quality of sound: it uses Digital Signal Process (DSP) technology, the sound quality is like CD.
ປັບປຸງຄຸນະພາບຂອງສຽງ: ມັນໃຊ້ເທັກໂນໂລຢີ Digital Signal Process (DSP), ຄຸນນະພາບຂອງສຽງແມ່ນຄ້າຍຄື CD.