Skip to content
Visaton loudspeakers and components · UK support · Trade enquiries welcome
{ "id":15940479189374, "title":"Visaton DK 121 8 Ohm, Built In Horn Speaker","handle":"visaton-dk-121-8-re-entrant-horn-speaker-art-no-50231", "description":"\u003cp\u003eAn 8 Ω low-profile horn speaker with a long connection lead for speech and signals.\u003c\/p\u003e\u003cp\u003eThe DK 121 provides focused speech-band output from a compact square-front horn. Its 2.5 m lead and protected construction suit built-in installations where the connection point is some distance from the speaker.\u003c\/p\u003e\u003ch3\u003eKey details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Built-in horn 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 10 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency range:\u003c\/strong\u003e 570–4400 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e 121 mm front\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting \/ feature:\u003c\/strong\u003e 2.5 m lead\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTransport announcement equipment\u003c\/li\u003e\n\u003cli\u003eIndustrial speech and warning 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\u003e10 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaximum power\u003c\/th\u003e\n\u003ctd\u003e15 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\u003e570–4400 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMean sound pressure level\u003c\/th\u003e\n\u003ctd\u003e100 dB (1 W\/1 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOpening angle (-6 dB)\u003c\/th\u003e\n\u003ctd\u003e69°\/4000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eNet weight\u003c\/th\u003e\n\u003ctd\u003e0.65 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSound pressure level\u003c\/th\u003e\n\u003ctd\u003e104 dB (1 W\/1 m)@ 2947 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLength of cable\u003c\/th\u003e\n\u003ctd\u003e2.5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProtective system\u003c\/th\u003e\n\u003ctd\u003eIP66 \/ IP67\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\u003eCheck the aperture, fixing pattern and rear clearance in the current drawing and preserve the horn’s seals.\u003c\/li\u003e\n\u003cli\u003eConnect the 2.5 m lead with its insulated 4.8 × 0.8 mm and 2.8 × 0.8 mm connectors to a suitable 8 Ω amplifier.\u003c\/li\u003e\n\u003cli\u003eUse the M6 equipotential-bond stud where required, with a maximum tightening torque of 2 Nm. Protect the cable joint separately from the IP66\/IP67 horn.\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\/DK%20121_50231.pdf\"\u003eManufacturer datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.visaton.de\/en\/products\/drivers\/re-entrant-horn-speakers\/dk-121-8-ohm\"\u003eManufacturer product page\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e", "published_at":"2026-09-10T13:32:38", "created_at":"2026-06-02T13:28:44", "vendor":"Visaton", "type":"Visaton - Horn Speakers", "tags":["8 Ω","DK","Driver","Impedance_8 Ohm","Loudspeaker","New Products","speaker","Type_Re-Entrant Horn Speaker","Visaton","Visaton Public Address Speakers : Horn Speakers","Waterproof Speakers"], "price":19481, "price_min":19481, "price_max":19481, "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":[57499385758078], "variants":[{ "id":57499385758078, "product_id":15940479189374, "product_handle":"visaton-dk-121-8-re-entrant-horn-speaker-art-no-50231", "title":"Default Title", "option1":"Default Title", "option2":null, "option3":null, "sku":"50231", "requires_shipping":true, "taxable":true, "featured_image":null,"image_id":null, "available":true, "name":"Visaton DK 121 8 Ohm, Built In Horn Speaker - Default Title", "options":["Default Title"], "price":19481, "weight":650, "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\/dk121_8.jpg?v=1789040901"],"featured_image":"\/\/impactaudio.co.uk\/cdn\/shop\/files\/dk121_8.jpg?v=1789040901", "options":["Title"], "url":"\/products\/visaton-dk-121-8-re-entrant-horn-speaker-art-no-50231"}

Visaton DK 121 8 Ohm, Built In Horn Speaker

Part number: 50231

An 8 Ω low-profile horn speaker with a long connection lead for speech and signals.

Type
Built-in horn speaker
Connection
8 Ω
Power / taps
10 W
Frequency range
570–4400 Hz
Format
121 mm front
Fitting / feature
2.5 m lead
ex VAT
£233.77 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 DK 121 provides focused speech-band output from a compact square-front horn. Its 2.5 m lead and protected construction suit built-in installations where the connection point is some distance from the speaker.

Typical applications

  • Transport announcement equipment
  • Industrial speech and warning signals
Full specifications
DK 121 · 8 Ω
Rated power10 W
Maximum power15 W
Nominal impedance8 Ω
Frequency response570–4400 Hz
Mean sound pressure level100 dB (1 W/1 m)
Opening angle (-6 dB)69°/4000 Hz
Net weight0.65 kg
Sound pressure level104 dB (1 W/1 m)@ 2947 Hz
Length of cable2.5 m
Protective systemIP66 / IP67
Temperature range−40 to 85 °C
Dimensions and drawings
DK 121 · 8 Ω · part 50231 — Dimension drawing

Dimension drawing · Open original image

Installation and cabinet guidance

Check the aperture, fixing pattern and rear clearance in the current drawing and preserve the horn’s seals.

Connect the 2.5 m lead with its insulated 4.8 × 0.8 mm and 2.8 × 0.8 mm connectors to a suitable 8 Ω amplifier.

Use the M6 equipotential-bond stud where required, with a maximum tightening torque of 2 Nm. Protect the cable joint separately from the IP66/IP67 horn.

Downloads

Related Products