{"product_id":"iwistao-hifi-headphone-amplifier-fully-balances-designed-to-reference-to-lehman-circuit-32-to-600-ohms-audio","title":"IWISTAO HIFI Headphone Amplifier Fully Balances Designed to reference to Lehman Circuit 32 to 600 Ohms Audio","description":"\u003ch1 style=\"text-align: center;\"\u003eIWISTAO HIFI Headphone Amplifier Fully Balances Designed to reference to Lehman Circuit 32 to 600 Ohms Audio\u003cbr\u003e \u003c\/h1\u003e\n\u003ch2\u003eModel No: WHF-EALH6535\u003c\/h2\u003e\n\u003cp\u003e\u003cbr\u003eThis headphone amplifier utilizes a refined Lehmann circuit, featuring a fully balanced, four-channel amplification design. It incorporates a comprehensive headphone protection circuit with delayed activation, mid-point detection, and power-off muting. The meticulously designed chassis exudes quality both inside and out.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/160232\/20250217143014\/ef079d0558a2fd668cac41593e6418f9.jpg\" alt=\"IWISTAO HIFI Headphone Amplifier Fully Balances Designed to reference to\u0026amp;nbsp;Lehman\u0026amp;nbsp;Circuit 32 to 600 Ohms Audio 1\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/160232\/20250217143014\/2c94f370a4e16228b2c948d0bd20d826.jpg\" alt=\"IWISTAO HIFI Headphone Amplifier Fully Balances Designed to reference to Lehman Circuit 32 to 600 Ohms Audio 2\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/160232\/20250217143014\/bf6d7fbac3c330208751786b4c2c35c3.jpg\" alt=\"IWISTAO HIFI Headphone Amplifier Fully Balances Designed to reference to Lehman Circuit 32 to 600 Ohms Audio 3\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cp\u003e \u003cbr\u003e1. Employs audiophile-grade stepped potentiometers with less than 1% error, eliminating the issue of positive and negative half-wave distortion in balanced circuits.\u003cbr\u003e2. Utilizes numerous audiophile-grade components for precise tuning and exceptional sound quality.\u003cbr\u003e3. Specifically designed for high-impedance, balanced headphones requiring substantial power, delivering a composed and accurate sound reproduction.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e \u003cbr\u003e1. Headphone Impedance Range: 32-600 ohms\u003cbr\u003e2. Frequency Response: 10Hz-20kHz (-1dB)\u003cbr\u003e3. Distortion: 0.02% @ 1kHz, Vppm=20V (90% power output)\u003cbr\u003e4. Output Noise: 90dB\u003cbr\u003e5. Output Impedance: 10 ohms\u003cbr\u003e6. Rated Output Power: 1600mW @ 60 ohms; 920mW @ 300 ohms; 470mW @ 600 ohms\u003cbr\u003e7. Input Sensitivity: 300mVrms (-7dB) (at rated output)\u003cbr\u003e8. Gain: High gain 12x\u003cbr\u003e9. Power Supply: AC 110V or 220V\u003cbr\u003e10. Weight: about 2.5 kg\u003cbr\u003e11. Dimensions (L*W*H): 160mm *116mm * 48mm\u003cbr\u003e12. Accessories: Power cord x1\u003cbr\u003e \u003c\/p\u003e\n\u003ch3\u003eFully Balanced Mode Connection Diagram\u003c\/h3\u003e\n\u003cp\u003e1. Connect the rear panel's left and right channel XLR inputs to the XLR outputs of your audio source.\u003cbr\u003e2. Insert the 4-pin XLR plug of your balanced headphones into the front panel's XLR balanced output.\u003cbr\u003e3. If your headphones have a 4.4mm balanced plug, we offer a 4.4mm to 4-pin XLR adapter. You can find it at the link below or contact customer service for assistance.\u003cbr\u003e4. The left and right volume knobs control the respective channel volumes.\u003cbr\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/160232\/20250217143041\/005f88ad39f45982b522681e73b3caaf.jpg\" alt=\"IWISTAO HIFI Headphone Amplifier Fully Balances Designed to reference to Lehman Circuit 32 to 600 Ohms Audio xrl\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3\u003eSingle-Ended Mode Connection Diagram\u003c\/h3\u003e\n\u003cp\u003e\u003cbr\u003e1. Connect the left and right channel RCA inputs on the rear panel to the RCA outputs of your audio source.\u003cbr\u003e2. Insert the 6.5mm headphone plug into the 6.5mm single-ended headphone output jack on the front panel.\u003cbr\u003e3. If your headphones have a 3.5mm plug, we offer a 3.5mm to 6.5mm adapter. You can find it at the link below or contact customer service for assistance.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/160232\/20250217143104\/6ae121eb406657346fd54c31a7966816.jpg\" alt=\"IWISTAO HIFI Headphone Amplifier Fully Balances Designed to reference to Lehman Circuit 32 to 600 Ohms Audio se\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"IWISTAO HIFI MINIMART","offers":[{"title":"AC220V","offer_id":42852055056499,"sku":"WHF-EALH6535","price":169.9,"currency_code":"USD","in_stock":true},{"title":"AC110V","offer_id":42852055089267,"sku":"WHF-EALH6536","price":169.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1105\/6138\/files\/d69f2ebcfb0308110c20036fa9e5daca.jpg?v=1739774144","url":"https:\/\/iwistao.com\/en-ch\/products\/iwistao-hifi-headphone-amplifier-fully-balances-designed-to-reference-to-lehman-circuit-32-to-600-ohms-audio","provider":"IWISTAO HIFI MINIMART","version":"1.0","type":"link"}