{"product_id":"dan-dagostino-progression-s350-stereo-amplifier","title":"Dan D'Agostino - Progression S350 - Stereo Amplifier","description":"\u003cdiv style=\"font-size:14px; font-family:Arial, Helvetica, sans-serif; color:#222; line-height:1.6;\"\u003e\n\n\u003cp\u003e\nThe Dan D'Agostino Progression S350 Stereo Amplifier delivers reference-level power and control in a sophisticated two-channel platform derived from the company’s flagship amplifier technologies. Designed to provide exceptional loudspeaker authority while preserving musical nuance and transparency, the S350 combines immense current capability with refined Class AB operation.\n\u003c\/p\u003e\n\n\u003cp\u003e\nAt its core is Dan D'Agostino’s proprietary Super Rail circuitry, engineered to improve dynamic performance, transient precision, and overall amplifier efficiency. A massive 2,000VA transformer and nearly 100,000 microfarads of power supply capacitance provide the foundation for substantial power delivery and exceptional stability across difficult speaker loads.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe sculpted aluminum chassis incorporates large elliptical heatsinks milled from solid aluminum billets for superior thermal management and long-term reliability. Completing the design is the brand’s signature Swiss watch-inspired power meter, bringing distinctive visual elegance to a high-performance stereo amplifier built for uncompromising music systems.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eAvailable in Silver or Black finishes\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003ch3 style=\"color:#f39c12; font-size:14px; margin-bottom:6px;\"\u003e\n\u003cstrong\u003eFEATURES\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cul style=\"margin-top:0;\"\u003e\n\u003cli\u003eFully balanced stereo power amplifier design\u003c\/li\u003e\n\u003cli\u003eDan D'Agostino Super Rail circuitry\u003c\/li\u003e\n\u003cli\u003e350W per channel into 8 ohms\u003c\/li\u003e\n\u003cli\u003e700W per channel into 4 ohms\u003c\/li\u003e\n\u003cli\u003e1400W per channel into 2 ohms\u003c\/li\u003e\n\u003cli\u003e2,000VA linear power supply transformer\u003c\/li\u003e\n\u003cli\u003eNearly 100,000μF power supply capacitance\u003c\/li\u003e\n\u003cli\u003eFully complementary driver stage architecture\u003c\/li\u003e\n\u003cli\u003e48 output transistors total\u003c\/li\u003e\n\u003cli\u003eBalanced XLR stereo inputs\u003c\/li\u003e\n\u003cli\u003eDual speaker binding posts per channel\u003c\/li\u003e\n\u003cli\u003ePrecision-machined aluminum chassis\u003c\/li\u003e\n\u003cli\u003eSwiss watch-inspired analog power meter\u003c\/li\u003e\n\u003cli\u003eHigh-mass elliptical aluminum heatsinks\u003c\/li\u003e\n\u003cli\u003eUpgradeable to Progression M550 monoblock configuration\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#f39c12; font-size:14px; margin-bottom:6px;\"\u003e\n\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Stereo Power Amplifier\u003cbr\u003e\n\u003cstrong\u003eAmplifier Class:\u003c\/strong\u003e Class AB\u003cbr\u003e\n\u003cstrong\u003eOutput Power (Per Channel):\u003c\/strong\u003e 350W @ 8Ω \/ 700W @ 4Ω \/ 1400W @ 2Ω\u003cbr\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 1Hz – 80kHz, -1dB \/ 20Hz – 20kHz, ±0.01dB\u003cbr\u003e\n\u003cstrong\u003eSignal-to-Noise Ratio:\u003c\/strong\u003e \u0026gt;75dB A-weighted \/ \u0026gt;105dB unweighted\u003cbr\u003e\n\u003cstrong\u003eTotal Harmonic Distortion:\u003c\/strong\u003e 0.015% @ 1kHz, 350W @ 8Ω\u003cbr\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e 100kΩ\u003cbr\u003e\n\u003cstrong\u003eOutput Impedance:\u003c\/strong\u003e 0.1Ω\u003cbr\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 1 Pair Balanced XLR Stereo Inputs\u003cbr\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e 2 Pairs Speaker Binding Posts\u003cbr\u003e\n\u003cstrong\u003eDimensions (W × H × D):\u003c\/strong\u003e 17.875 × 9.0 × 23.0 in. (45.4 × 23.0 × 58.4 cm)\u003cbr\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 115 lbs (52.2 kg)\u003cbr\u003e\n\u003cstrong\u003eFinishes:\u003c\/strong\u003e Silver or Black\n\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Dan D'Agostino","offers":[{"title":"Silver","offer_id":51744738935072,"sku":null,"price":30000.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":51744738967840,"sku":null,"price":30000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/3728\/1568\/files\/ChatGPTImageMay26_2026_11_21_47AM.png?v=1779808978","url":"https:\/\/salon1audio.com\/products\/dan-dagostino-progression-s350-stereo-amplifier","provider":"Salon 1 Audio","version":"1.0","type":"link"}