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{ "id":15940477288830, "title":"Visaton K 28 GI 8 Ohm, 1.1 Inch, Miniature Speaker","handle":"visaton-k-28-gi-8-miniature-speaker-art-no-2830", "description":"\u003cp\u003eAn 8 Ω miniature speaker with spring contacts for compact equipment assemblies.\u003c\/p\u003e\u003cp\u003eThe K 28 GI uses a plastic basket and polycarbonate diaphragm with a contact arrangement suited to assembly against a circuit board or matching contact fixture. Its response is useful for speech, tones and alerts.\u003c\/p\u003e\u003ch3\u003eKey details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Miniature speaker\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 0.5 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency range:\u003c\/strong\u003e 450–7000 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e 2.8 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting \/ feature:\u003c\/strong\u003e Spring contacts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompact electronics with spring-contact assembly\u003c\/li\u003e\n\u003cli\u003eSpeech prompts and alert signals\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\u003e0.5 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\u003e450–7000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMean sound pressure level\u003c\/th\u003e\n\u003ctd\u003e82 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\u003e730 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eNet weight\u003c\/th\u003e\n\u003ctd\u003e0.0053 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eConnections\u003c\/th\u003e\n\u003ctd\u003eSpring contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProtective system\u003c\/th\u003e\n\u003ctd\u003eIP65 at front with sealed mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTemperature range\u003c\/th\u003e\n\u003ctd\u003e−40 to 85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUse the drawing to check the mounting profile, spring-contact positions and working clearance.\u003c\/li\u003e\n\u003cli\u003eDesign the matching contacts and retention so contact pressure is maintained without loading the diaphragm. Use an 8 Ω-compatible amplifier.\u003c\/li\u003e\n\u003cli\u003eIP65 applies to the front with a sealed mounting joint. Protect the contacts and rear of the speaker within the equipment.\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%20GI%20-%208%20Ohm%20datasheet_1.pdf\"\u003eManufacturer datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.visaton.de\/en\/products\/drivers\/miniature-speakers\/k-28-gi-8-ohm\"\u003eManufacturer product page\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e", "published_at":"2026-09-10T13:31:27", "created_at":"2026-06-02T13:28:17", "vendor":"Visaton", "type":"Speaker driver", "tags":["8 Ω","Driver","Impedance_8 Ohm","K","Loudspeaker","New Products","speaker","Type_Miniature Speaker","Visaton","Visaton Miniature Speakers"], "price":725, "price_min":725, "price_max":725, "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":[57499382940030], "variants":[{ "id":57499382940030, "product_id":15940477288830, "product_handle":"visaton-k-28-gi-8-miniature-speaker-art-no-2830", "title":"Default Title", "option1":"Default Title", "option2":null, "option3":null, "sku":"2830", "requires_shipping":true, "taxable":true, "featured_image":null,"image_id":null, "available":true, "name":"Visaton K 28 GI 8 Ohm, 1.1 Inch, Miniature Speaker - Default Title", "options":["Default Title"], "price":725, "weight":6, "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\/K_2028_20GI_1_1.jpg?v=1789040840"],"featured_image":"\/\/impactaudio.co.uk\/cdn\/shop\/files\/K_2028_20GI_1_1.jpg?v=1789040840", "options":["Title"], "url":"\/products\/visaton-k-28-gi-8-miniature-speaker-art-no-2830"}

Visaton K 28 GI 8 Ohm, 1.1 Inch, Miniature Speaker

Part number: 2830

An 8 Ω miniature speaker with spring contacts for compact equipment assemblies.

Type
Miniature speaker
Connection
8 Ω
Power / taps
0.5 W
Frequency range
450–7000 Hz
Format
2.8 cm
Fitting / feature
Spring contacts
ex VAT
£8.70 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 GI uses a plastic basket and polycarbonate diaphragm with a contact arrangement suited to assembly against a circuit board or matching contact fixture. Its response is useful for speech, tones and alerts.

Typical applications

  • Compact electronics with spring-contact assembly
  • Speech prompts and alert signals
Full specifications
K 28 GI · 8 Ω
Rated power0.5 W
Nominal impedance8 Ω
Frequency response450–7000 Hz
Mean sound pressure level82 dB (1 W/1 m)
Resonance frequency fs730 Hz
Net weight0.0053 kg
ConnectionsSpring contacts
Protective systemIP65 at front with sealed mounting
Temperature range−40 to 85 °C
Dimensions and drawings
K 28 GI · 8 Ω · part 2830 — Dimension drawing

Dimension drawing · Open original image

Installation and cabinet guidance

Use the drawing to check the mounting profile, spring-contact positions and working clearance.

Design the matching contacts and retention so contact pressure is maintained without loading the diaphragm. Use an 8 Ω-compatible amplifier.

IP65 applies to the front with a sealed mounting joint. Protect the contacts and rear of the speaker within the equipment.

Downloads

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