Amazon.com: Beyerdynamic DT-250-250OHM Lightweight Closed Dynamic Headphone for Broadcast and Recording Applications, 250 Ohms : Musical Instruments
New Lon0167 Disco cerámico con resistencia ajustable Reostato 250 ohm 100W(Einstellbarer Widerstand der Keramikscheibe Rheostat 250 Ohm 100W : Amazon.es: Industria, empresas y ciencia
Amazon.com: HF20A Spectrum Analyzer Handheld Tiny Frequency Analyzer Short Wave 1.5-30Mhz Full-Band Antenna Outdoor Radio Station Accessory : Industrial & Scientific
Amazon.com: FiiO K5 Pro Headphone Amps Portable Desktop DAC and Amplifier 768K/32Bit and Native DSD512 for Home/PC 6.35mm Headphone Out/RCA Line-Out/Coaxial/Optical Inputs : Electronics
Amazon.com: LON0167 250 unidades 1/4 W 150 K Ohm Resistencia Eléctrica de Película de Carbono (250 unidades 1/4 W 150 K Ohm Widerstand Elektrischer Kohleschichtwiderstand : Industrial y Científico