{"product_id":"smsl-a300","title":"SMSL A300 Power Amplifier — 165W x 2, 330W BTL Mode, Bluetooth 5.0","description":"\u003cp class=\"tp-summary\"\u003eThe SMSL A300 is a stereo Class D power amplifier rated 165W x 2 into 4Ω that can be bridged into one 330W channel, with two RCA inputs, Bluetooth 5.0, a USB input and a subwoofer pre-out. It suits desk and living-room systems with passive speakers, with or without a powered subwoofer.\u003c\/p\u003e\n\u003ch2\u003eWho the SMSL A300 is for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive speakers:\u003c\/strong\u003e Its Infineon digital amplifier chip is rated 165W x 2 into 4Ω or 85W x 2 into 8Ω, with 0.004% THD+N and 103dB SNR.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne large speaker:\u003c\/strong\u003e BTL mode bridges the A300 into a single 330W channel for 4–8Ω loads, and a BTL-R output passes the right channel on to a second amp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.1 systems:\u003c\/strong\u003e A subwoofer pre-out feeds a powered sub, and high-pass mode (50Hz cutoff) takes the deep bass out of the main speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhone, computer and line sources:\u003c\/strong\u003e It takes Bluetooth 5.0, USB audio from a computer and two RCA line inputs, switched from the front panel or the remote.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkip it if:\u003c\/strong\u003e you need optical or coaxial inputs or a headphone jack; the A300 has none of them, and SMSL rates its USB input at 48kHz.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSMSL A300 key specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier:\u003c\/strong\u003e Infineon MA5332MS digital (Class D) chip; NJRC NJW1194 volume control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput power, stereo:\u003c\/strong\u003e 165W x 2 (4Ω), 85W x 2 (8Ω)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput power, BTL:\u003c\/strong\u003e 330W x 1 (4–8Ω)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 2 x RCA line, Bluetooth 5.0, USB from a computer (48kHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e Speaker terminals, subwoofer pre-out, BTL right-channel RCA out\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N \/ SNR \/ separation:\u003c\/strong\u003e 0.004% \/ 103dB \/ 85dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput sensitivity \/ impedance:\u003c\/strong\u003e 280mV \/ 22kΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound settings:\u003c\/strong\u003e 8 EQ modes incl. SMSL SDB; treble and bass adjustment; 50Hz high-pass mode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Built-in supply, AC 100–240V; 40W at normal volume\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize and weight:\u003c\/strong\u003e 210.5 × 41 × 198mm (W × H × D); 1.3kg; black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"tp-trust\"\u003eGenuine SMSL stock. Free shipping on every order, 45-day returns.\u003c\/p\u003e","brand":"SMSL","offers":[{"title":"Default Title","offer_id":46347646795911,"sku":"SMSL A300 black","price":163.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/5833\/0247\/files\/7708340021.jpg?v=1793195421","url":"https:\/\/tonepier.com\/products\/smsl-a300","provider":"TonePier","version":"1.0","type":"link"}