{"id":140200,"date":"2026-06-10T01:22:20","date_gmt":"2026-06-10T05:22:20","guid":{"rendered":"https:\/\/add-tronique.com\/boutique\/uncategorized\/fosi-audio-v3-48v-amplificateur-mono-240w-4-ohms-2-8ohms\/"},"modified":"2026-06-10T11:32:57","modified_gmt":"2026-06-10T15:32:57","slug":"fosi-audio-v3-48v-amplificateur-mono-240w-4-ohms-2-8ohms","status":"publish","type":"product","link":"https:\/\/add-tronique.com\/en\/boutique\/audio-audio-and-accessories\/amplifiers\/fosi-audio-v3-48v-amplificateur-mono-240w-4-ohms-2-8ohms\/","title":{"rendered":"Fosi Audio V3-48V Amplificateur Mono 240W @ 4 ohms (2-8ohms)"},"content":{"rendered":"
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\u26a1 Fosi Audio V3-48V \u2013 Compact mono amplifier<\/h1>\n<\/div>\n<\/div>\n<\/div>\n
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TPA3255 \u2013 PFFB \u2013 RCA \/ XLR \/ TRS \u2013 240W @ 4\u03a9<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n

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\ud83d\udccc Product description<\/h2>\n<\/div>\n<\/div>\n<\/div>\n
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The Fosi Audio V3-48V is a compact monoblock amplifier designed to drive a single passive speaker with excellent control and ample power headroom. It is based on the Texas Instruments TPA3255 chip and incorporates PFFB technology to improve frequency response and reduce load-related distortion. <\/p>\n

With a 48V power supply, it can deliver up to 240W at 4\u03a9, while remaining compatible with speakers ranging from 2\u03a9 to 8\u03a9. It accepts RCA, XLR, and 1\/4″ TRS inputs, features a gain selection mode and automatic signal detection, and also allows for the replacement of op-amps to adjust the sound quality. It uses the TPA3255 and incorporates PFFB technology to improve frequency response and reduce load-related distortion. <\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Key features<\/h2>\n<\/div>\n<\/div>\n<\/div>\n
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    Compact mono amplifier.<\/p>\n<\/li>\n

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    Texas Instruments TPA3255 chip.<\/p>\n<\/li>\n

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    Built-in PFFB technology.<\/p>\n<\/li>\n

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    Power output up to 240W at 4\u03a9.<\/p>\n<\/li>\n

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    RCA, XLR and 1\/4″ TRS inputs.<\/p>\n<\/li>\n

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    Gain selection.<\/p>\n<\/li>\n

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    Auto power \/ signal sensing.<\/p>\n<\/li>\n

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    Op-amp swapping is possible.<\/p>\n<\/li>\n

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    Chassis-optimized cooling.<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n

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    \ud83d\udd27 Technical Specifications<\/h2>\n<\/div>\n<\/div>\n<\/div>\n
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      Type: Class-D mono amplifier.<\/p>\n<\/li>\n

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      Chipset: Texas Instruments TPA3255.<\/p>\n<\/li>\n

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      Technologie :<\/strong> PFFB.<\/p>\n<\/li>\n

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      Inputs: RCA, XLR, 1\/4″ TRS.<\/p>\n<\/li>\n

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      Output: Mono speaker output.<\/p>\n<\/li>\n

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      Power: up to 240W @ 4\u03a9.<\/p>\n<\/li>\n

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      Supported impedance: 2\u03a9 to 8\u03a9.<\/p>\n<\/li>\n

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      SNR: up to 123 dB.<\/p>\n<\/li>\n

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      THD: up to 0.006% or less, depending on the measurement.<\/p>\n<\/li>\n

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      Frequency response: 20 Hz\u201320 kHz (\u00b10.1 dB).<\/p>\n<\/li>\n

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      Power supply: 48V \/ 5A.<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n

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      \ud83c\udfa7 Applications<\/h2>\n<\/div>\n<\/div>\n<\/div>\n
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        Amplification of a single passive speaker.<\/p>\n<\/li>\n

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        Multi-channel home theater system.<\/p>\n<\/li>\n

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        Compact and powerful hi-fi system.<\/p>\n<\/li>\n

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        Integration with an AVR as a power amplifier.<\/p>\n<\/li>\n

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        Customizable audio configuration with op-amps.<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n

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        \ud83d\udcaa Benefits<\/h2>\n<\/div>\n<\/div>\n<\/div>\n
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          Big power in a compact design.<\/p>\n<\/li>\n

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          Versatile inputs for multiple sources.<\/p>\n<\/li>\n

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          More stable sound thanks to PFFB technology.<\/p>\n<\/li>\n

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          Compatible with a wide range of speakers.<\/p>\n<\/li>\n

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          Sound customization is available.<\/p>\n<\/li>\n

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          Cooling designed for extended use.<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n

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          \ud83d\udce6 Box contents<\/h2>\n<\/div>\n<\/div>\n<\/div>\n
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            1 \u00d7 Fosi Audio V3-48V.<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n

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              1 \u00d7 48V\/5A power supply.<\/p>\n<\/li>\n

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              1 \u00d7 User manual.<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n

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              <\/h2>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

              \u26a1 Fosi Audio V3-48V \u2013 Compact mono amplifier TPA3255 \u2013 PFFB \u2013 RCA \/ XLR \/ TRS \u2013 240W @ 4\u03a9 \ud83d\udccc Product description The Fosi Audio V3-48V is a compact monoblock amplifier designed to drive a single passive speaker with excellent control and ample power headroom. It is based on the Texas Instruments TPA3255 […]<\/p>\n","protected":false},"featured_media":140199,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[13403,11342,27835],"product_tag":[27886,27887,27883,14520,27884,27885,11692,27860,22241,12337],"class_list":{"0":"post-140200","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-amplifiers","7":"product_cat-audio-audio-and-accessories","8":"product_cat-fosi-audio","9":"product_tag-240w","10":"product_tag-class-d-amplifier-3","11":"product_tag-fosi-audio-v3-48v","12":"product_tag-hi-fi-en","13":"product_tag-mono-amplifier-2","14":"product_tag-pffb","15":"product_tag-rca-en","16":"product_tag-tpa3255","17":"product_tag-trs-en","18":"product_tag-xlr-en","20":"first","21":"instock","22":"taxable","23":"shipping-taxable","24":"purchasable","25":"product-type-simple"},"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":3,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"yoast_head":"\nFosi Audio V3-48V Amplificateur Mono 240W @ 4 ohms (2-8ohms) - Add-Tronique<\/title>\n<meta name=\"description\" content=\"Fosi Audio V3-48V: compact TPA3255 mono amplifier with PFFB, RCA\/XLR\/TRS inputs, and up to 240W of power at 4\u03a9. 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