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{ "id":15940477649278, "title":"Visaton K 28.40 H 8 Ohm, Miniature Speaker in Enclosure","handle":"visaton-k-28-40-h-8-miniature-speaker-art-no-2947", "description":"\u003cp\u003eAn 8 Ω miniature speaker supplied in a compact enclosure with a plug-in lead.\u003c\/p\u003e\u003cp\u003eThe K 28.40 H houses the small rectangular driver in a 69.5 × 33 × 16.5 mm enclosure. A rear adhesive pad and a 120 mm nominal lead with JST PHR-2 connector support straightforward integration into flat-screen and electronic equipment.\u003c\/p\u003e\u003ch3\u003eKey details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Speaker in enclosure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e 8 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower \/ taps:\u003c\/strong\u003e 2 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency range:\u003c\/strong\u003e 390–20000 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e 2.8 × 4 cm driver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting \/ feature:\u003c\/strong\u003e JST PHR-2\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFlat-screen and multimedia equipment\u003c\/li\u003e\n\u003cli\u003eCompact devices requiring a ready-enclosed speaker\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRated power\u003c\/th\u003e\n\u003ctd\u003e2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eNominal impedance\u003c\/th\u003e\n\u003ctd\u003e8 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e390-20000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMean sound pressure level\u003c\/th\u003e\n\u003ctd\u003e79 dB (1 W\/1 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eResonance frequency fs\u003c\/th\u003e\n\u003ctd\u003e580 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eNet weight\u003c\/th\u003e\n\u003ctd\u003e20 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eConnections\u003c\/th\u003e\n\u003ctd\u003eJST PHR-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLength of cable\u003c\/th\u003e\n\u003ctd\u003e120 ± 8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTemperature range\u003c\/th\u003e\n\u003ctd\u003e-20 to 70 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAllow for the complete 69.5 × 33 × 16.5 mm enclosure; the 2.8 × 4 cm designation refers to the driver.\u003c\/li\u003e\n\u003cli\u003eUse the rear 3M VHB 5915 adhesive pad on a suitable clean surface and keep the sound opening unobstructed.\u003c\/li\u003e\n\u003cli\u003eMatch the JST PHR-2 connector and polarity to the equipment. The lead is 120 ± 8 mm; provide strain relief and use a suitable 8 Ω amplifier.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.visaton.de\/sites\/default\/files\/dd_product\/K%2028_40%20H.pdf\"\u003eManufacturer datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.visaton.de\/en\/products\/drivers\/new-products\/k-2840-h-8-ohm\"\u003eManufacturer product page\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e", "published_at":"2026-09-10T13:31:37", "created_at":"2026-06-02T13:28:22", "vendor":"Visaton", "type":"Visaton - Miniature Speakers", "tags":["8 Ω","Driver","Impedance_8 Ohm","K","Loudspeaker","New Products","speaker","Type_Miniature Speaker","Visaton","Visaton Miniature Speakers"], "price":905, "price_min":905, "price_max":905, "price_varies":false, "compare_at_price":null, "compare_at_price_min":0, "compare_at_price_max":0, "compare_at_price_varies":true, "all_variant_ids":[57499383464318], "variants":[{ "id":57499383464318, "product_id":15940477649278, "product_handle":"visaton-k-28-40-h-8-miniature-speaker-art-no-2947", "title":"Default Title", "option1":"Default Title", "option2":null, "option3":null, "sku":"2947", "requires_shipping":true, "taxable":true, "featured_image":null,"image_id":null, "available":true, "name":"Visaton K 28.40 H 8 Ohm, Miniature Speaker in Enclosure - Default Title", "options":["Default Title"], "price":905, "weight":14, "compare_at_price":null, "inventory_quantity":0, "inventory_management":"shopify", "inventory_policy":"continue", "inventory_in_cart":0, "inventory_remaining":0, "incoming":false, "next_incoming_date":null, "taxable":true, "barcode":null}], "available":true,"images":["\/\/impactaudio.co.uk\/cdn\/shop\/files\/k2840h_8_240226_1i.jpg?v=1789040848"],"featured_image":"\/\/impactaudio.co.uk\/cdn\/shop\/files\/k2840h_8_240226_1i.jpg?v=1789040848", "options":["Title"], "url":"\/products\/visaton-k-28-40-h-8-miniature-speaker-art-no-2947"}

Visaton K 28.40 H 8 Ohm, Miniature Speaker in Enclosure

Part number: 2947

An 8 Ω miniature speaker supplied in a compact enclosure with a plug-in lead.

Type
Speaker in enclosure
Connection
8 Ω
Power / taps
2 W
Frequency range
390–20000 Hz
Format
2.8 × 4 cm driver
Fitting / feature
JST PHR-2
ex VAT
£10.86 inc VAT
Maximum quantity available reached.

Stock and dispatch
Selected products are held in UK stock; other lines are sourced to order. Dispatch timing depends on the product and quantity.

Delivery information. Need it for a specific date? Ask us.

Quantity discounts

Description

The K 28.40 H houses the small rectangular driver in a 69.5 × 33 × 16.5 mm enclosure. A rear adhesive pad and a 120 mm nominal lead with JST PHR-2 connector support straightforward integration into flat-screen and electronic equipment.

Typical applications

  • Flat-screen and multimedia equipment
  • Compact devices requiring a ready-enclosed speaker
Full specifications
K 28.40 H · 8 Ω
Rated power2 W
Nominal impedance8 Ω
Frequency response390-20000 Hz
Mean sound pressure level79 dB (1 W/1 m)
Resonance frequency fs580 Hz
Net weight20 g
ConnectionsJST PHR-2
Length of cable120 ± 8 mm
Temperature range-20 to 70 °C
Dimensions and drawings
K 28.40 H · 8 Ω · part 2947 — Dimension drawing

Dimension drawing · Open original image

Installation and cabinet guidance

Allow for the complete 69.5 × 33 × 16.5 mm enclosure; the 2.8 × 4 cm designation refers to the driver.

Use the rear 3M VHB 5915 adhesive pad on a suitable clean surface and keep the sound opening unobstructed.

Match the JST PHR-2 connector and polarity to the equipment. The lead is 120 ± 8 mm; provide strain relief and use a suitable 8 Ω amplifier.

Downloads

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