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Monsterbeats by dre sound headphones listening at the same time with the superstar!In the expression of the human voice, DTX300p relatively more suitable expression female voice, which is particularly suitable for the expression of a young Girl. DTX300p high frequency relatively slightly bright sound is not the PX80 soft, stretch. It is high-frequency dynamics and density than PX80 slightly better, slightly worse compared to K404. But DTX300p high frequency resolution of relatively PX80 K404 or slightly better, the sound level is relatively clear. However, it is the high-frequency part of the control is not good enough, some slightly larger dynamic is not easy to control, there may be some distortion and glitches. Expression plucked string instrument, speed of DTX300p is relatively PX80 slightly faster, but still not very sharp, transient performance in general. DTX300p voice seemed slightly convergent, not soft enough, but it's a whole dynamic and resolution of performance is relatively good, the sound is more rich layers. After switching to a better sound card audio, DTX300p dynamics and resolution performance is also better. In general, the overall quality of the DTX300p sound is still at the same level with the AKG K404, Sennheiser PX80, but it sounds more balanced [PX80 warmer partial rich] style somewhat neutral.

Monster beats dre cheapsound headphones, listened to the world.However, DTX300p appearance is not pretty enough, not enough fashion at a disadvantage compared to K404, PX80. At the same time, compared to its work, both have to inferior, which are DTX300p need further improvement K404 AKG's patented 3D-Axis folding structure headset design with three shaft 1,2,3 number identified. Wherein the spindle can be inwardly Less No. 2 of the rotary shaft can be rotated 90 degrees, the spindle can also be a small angle of rotation [of about 10 degrees]. Three match, K404 can be easily folded and put away, and also be able to better fit the first type.Look at the head frame portion of the headset, K404 and K26P same scalable metal headband design, namely: the head frame composed by two metal headband, on the left and right sides each having a regulating valve. Can be adjusted by adjusting the valve, two metal headband staggered, and then adjust the tightness of the head frame. K404 headphones on the head of the compression forces in the actual use, smaller, but the ear inwardly pressing force, there may be the chuck feeling. In addition, two control valve may grip the hair. The K404 headphones details of the deal is more detailed, overall relatively good workmanship. But do not know whether it is an individual problem, we only K404 precision molds and assembly accuracy is not good enough: it right earmuffs this side of the shaft due to friction and abnormal noise. However, this sound may be run-in with the shaft portion of the gradually disappear. In the the headset unit structure, K404 features an open design, use sound leakage.

Monstercheap beats dresound headphones, and enjoy life.According to official statistics, it uses a 40 mm diameter drive headphones impedance of 32 ohms, sensitivity 125dB, frequency response of 15Hz-23kHz. K404 burn in for hundreds of hours, we use the Apple iPod Touch 4, the SONY Sony B152F portable player as the main reference Audio Monitor 02 U.S., Monitor 01 PS sound card as a secondary reference source, compared to headphones Sennheiser PX80 Sony MDR -ZX600. Relatively abundant K404 low-frequency amount of sense, but slightly less compared PX80, but its resolving power and control over the low-frequency is slightly better than the PX80, sound more coherent, solid, more clean. However, K404 low frequency harder, faster, relative somewhat dull PX80 low frequency is relatively soft, slightly slower speed. Compared with Sony ZX600, ZX600 dynamic and density of the low-frequency performance was slightly better, the sound is more delicate. K404 IF the sound is relatively light, the dynamic performance of the overall general. The contrast with the PX80, PX80 dynamic table is now slightly better, it's Alto area of low-frequency part of the vocal sound than K404 full. K404 in this part of the resolving power compared to PX80 slightly better sound relatively level. Compared to Sony ZX600, K404 IF slightly full, but it's like force and resolution as the former the ZX600 IF more solid, clean, slightly rich detail. Vocal performance, K404 is not particularly "picky eaters" appears, but relatively speaking, it is more suitable for the expression of a young female.