hot passive preamplifier volume volume controller high precision control hifi amplifier for audio amplifiers
Potentiometer Volume Switch Extension Rod 6mm ALPS RK27 For HiFi Audio Amplifier Preamplifier DIY Kits
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1PC ALPS Volume Potentiometer RK16 100KA 50KA ±20% 6mm Knurled Shaft Attenuator Stereo For CD DAC Hifi Audio Amplifier
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Solid Machined Metal Aluminum Rotary Potentiometer knob Encoder Volume HIFI Audio Amplifier Knobs Pens 17x16mm
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2PCS Aluminum knob encoder sound card potentiometer inner hole 6mm knob precision turning high-quality volume amplifier adjustme
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AN127 Invisible In-Ear Hearing Aid Sound Amplifier For The Elderly And Hearing Impaired(Red Right Ear)
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TH-128 High-power Lossless Tube Amplifier Hifi Amplifier Fiber Coaxial Bluetooth DVD/CD Player
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JCCON 2Pcs Audio Electrolytic Capacitor 160V2200UF 160V1500UF For Audio Hifi Amplifier High Frequency Low ESR Speaker
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2Pcs Audio Electrolytic Capacitor 250V 220UF 330UF 470UF 680UF 1000UF 2200UF For Audio Hifi Amplifier High Frequency Low ESR
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2Pcs Audio Electrolytic Capacitor 450V 100UF 150UF 180UF 330U 470UF 820 1000UF For Audio Hifi Amplifier High Frequency Low ESR
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2-5Pcs Audio Electrolytic Capacitor 80V4700UF 80V 4700UF 25*50MM For Audio Hifi Amplifier High Frequency Low ESR Speaker
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500V high voltage electrolyte aluminum capacitor 50UF +50UF guitar/HIFI power amplifier 75 * 34mm
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2-5pcs Audio Electrolytic Capacitor 100V6800UF 100V 6800UF 35*50MM For Audio Hifi Amplifier High Frequency Low ESR Speaker
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Описание:
1. This hearing aid is specially designed for the elderly or people with hearing problems, suitable for those people or patients with hearing loss.2. Low power consumption, high fidelity, high-quality chips, and invisible flesh-colored surface will not appear incongruous in the crowd.3. With volume control function, the volume can be adjusted to meet your own needs and preferences.4. Built-in battery power supply, smaller, simpler, more convenient, more powerful and more stable.5. With digital circuit and automatic noise reduction technology, the sound is natural and brings you a comfortable experience.6. Ergonomic earplug design, even if you wear it for a long time, you will not feel pain. Specification:1. Material: plastic 2. Battery: 1 A10 battery, 1.4V, 1.2mA3. Maximum sound output: 122+/-3dB4. Sound gain: greater than or equal to 28dB+/-2dB5. Total harmonic distortion: less than or equal to 3%6. Frequency range: 300-4800MHz 7. Input noise: less than or equal to 26dBCaution: To avoid accidental swallowing by children, keep small parts out of reach of children