{"product_id":"mono-enclosed-speaker-4-ohm-5w","title":"Mono Enclosed Speaker 4Ω 5W with Mounting Holes for ReSpeaker, Raspberry Pi, ESP32 and DIY Audio Projects","description":"\u003cp\u003e\u003cstrong\u003eThe Mono Enclosed Speaker is a compact sealed-box 4 Ω, 5 W loudspeaker with built-in mounting holes, used to add clear voice or sound output to ReSpeaker voice-assistant boards, ESP32 and Arduino projects, Raspberry Pi builds, robots and other DIY electronics without designing a speaker enclosure.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA small sealed-box speaker that gives voice assistants, robots and Arduino or ESP32 projects a clear, loud voice without designing an enclosure. The 4 Ω, 5 W driver plugs straight into ReSpeaker boards and most small class-D amplifier modules, and the moulded mounting holes let you screw it into a case in seconds.\u003c\/p\u003e\u003ch2\u003eWhat can you use it for?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVoice output for ReSpeaker Lite, ReSpeaker XVF3800 and other voice-assistant boards\u003c\/li\u003e\n\u003cli\u003eSpeaker for ESP32, ESP32-S3 (XIAO), Arduino and Raspberry Pi projects with a small class-D amplifier\u003c\/li\u003e\n\u003cli\u003eRobot and smart-home device voice prompts and alerts\u003c\/li\u003e\n\u003cli\u003eEducational electronics kits and STEM classroom projects\u003c\/li\u003e\n\u003cli\u003ePortable and battery-powered audio gadgets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho is it for?\u003c\/h2\u003e\u003cp\u003eMakers and product developers who need a ready-made, enclosed speaker that screws into a case and sounds clear at 5 W, without sourcing a bare driver and building a box.\u003c\/p\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAmplifiers: any 4 Ω-capable amplifier up to 5–6 W, including MAX98357A I2S modules, PAM8403 boards and the ReSpeaker on-board amplifier\u003c\/li\u003e\n\u003cli\u003eBoards: ReSpeaker Lite, ReSpeaker XVF3800, XIAO ESP32-S3, ESP32 dev boards, Arduino, Raspberry Pi audio HATs\u003c\/li\u003e\n\u003cli\u003eMounting: moulded screw holes; fits the ReSpeaker Lite acrylic enclosure kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e50 × 45 × 22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated impedance\u003c\/th\u003e\n\u003ctd\u003e4 Ω ±15%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated input power\u003c\/th\u003e\n\u003ctd\u003e5.0 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum input power\u003c\/th\u003e\n\u003ctd\u003e6.0 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSound pressure level\u003c\/th\u003e\n\u003ctd\u003e88 ±3 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency range\u003c\/th\u003e\n\u003ctd\u003eF0 – 20 kHz (F0 ≈ 500 Hz ±20%, Fb ≈ 125 Hz ±20%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDistortion\u003c\/th\u003e\n\u003ctd\u003e10% max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e−20 to +30 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage temperature\u003c\/th\u003e\n\u003ctd\u003e−40 to +65 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eBuilt-in mounting holes, 2-pin lead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eDefault Title:\u003c\/strong\u003e 1 × Mono Enclosed Speaker 4 Ω 5 W with lead wire\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhat amplifier do I need for this speaker?\u003c\/h3\u003e\u003cp\u003eAny small amplifier rated for a 4 Ω load and 3–6 W output works, such as a MAX98357A I2S amplifier, a PAM8403 board or the amplifier built into ReSpeaker boards. Do not drive it above 6 W.\u003c\/p\u003e\u003ch3\u003eIs it loud enough for a voice assistant?\u003c\/h3\u003e\u003cp\u003eYes. With 88 dB sensitivity and 5 W rated power it is clearly audible across a room, which is why Seeed pairs it with the ReSpeaker Lite voice-assistant kit.\u003c\/p\u003e\u003ch3\u003eDoes it need its own enclosure?\u003c\/h3\u003e\u003cp\u003eNo. The driver is already sealed in a plastic box, so it produces proper bass response on its own. The moulded holes let you screw it into your project case.\u003c\/p\u003e\u003ch3\u003eWhat is the connector?\u003c\/h3\u003e\u003cp\u003eA two-wire lead. It connects to screw terminals or a JST-style speaker connector on your amplifier board; polarity only matters if you use two speakers.\u003c\/p\u003e\u003ch3\u003eCan I use two of them for stereo?\u003c\/h3\u003e\u003cp\u003eYes, use one per channel on a stereo amplifier and keep the polarity the same on both.\u003c\/p\u003e","brand":"Glunova Biotech","offers":[{"title":"Default Title","offer_id":50742488629487,"sku":"SEEED-114993346","price":7.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/5406\/2063\/files\/01_b2e06535-3ebb-41af-84e0-11f0c0315a23.jpg?v=1789208172","url":"https:\/\/armdojo.com\/products\/mono-enclosed-speaker-4-ohm-5w","provider":"ArmDojo","version":"1.0","type":"link"}