Đánh giá tai nghe sony mdr rf995rk
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Overview: The Sony MDR-RF995RK Wireless Stereo Headphone System lets you enjoy your music, TV shows, games, or movies in private. The headphones operate on radio frequencies (RF), giving you a range of up to 150 feet. The system includes the over-ear headphones, RF transmitter/headphone charging stand, rechargeable battery, and necessary cables. Drivers/Closed Back Design: The MDR-RF995RK headphones feature large 40mm drivers (1.57"), giving you clear, accurate sound quality over a wide frequency range. The drivers are housed in closed-back ear cups to reduce ambient noise and to keep the audio from leaking out. The ear cups feature soft ear pads for added comfort during long listening sessions. The ear cups swivel and tilt on the head band to provide the best fit. Voice Mode / Volume Control: If you use the wireless headphones to watch TV or movies, you can enjoy clearer dialog by engaging the Voice Mode. You can easily switch between Voice Mode and Normal playback mode with the slide switch on the right ear cup. The headphones rotary volume control is also located on the right ear cup. Rechargeable Battery: The MDR-RF995RK is powered by the BP-HP800-11, a 2.4-volt 800mAh Nickel-Metal Hydride (Ni-MH) rechargeable battery. The battery is stored inside the left ear cup, and provides up to 20 hours of playback time. If you place the headphones on the transmitter/charging stand after each use, you can keep the battery "topped off," as it will recharge automatically. A fully-exhausted battery charges in approximately 7 hours. The charger automatically turns off when charging is complete, so there's no need to remove the headphones from the charging stand. Optional Alkaline Batteries: When the rechargeable battery is exhausted, you can insert two "AAA" alkaline batteries and continue listening. Fresh alkaline batteries provide approximately 24 hours of playback time. Transmitter / Charging Stand: The TMR-RF995R RF transmitter/charging stand connects to your audio source via a 3.5mm stereo mini cable (supplied). The transmitter operates at 915.5 MHz (channel 1), 916.0 MHz (channel 2), and 916.5 MHz (channel 3). If the headphones are not able to receive a clear audio signal, you can switch between channels on the transmitter base. The headphones will locate the new frequency when the Auto Tuning button (on the right ear cup) is pressed. The transmitter has a range of up to 150 feet. Noise Reduction: The transmitter takes the audio input signal, compresses it, and converts it to an RF signal. When picked up by the headphones, the signal is decompressed, which reduces the noise level, and improves the signal-to-noise ratio. TIN TỨC MỚIXem hết >
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