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KnockBlock G4+ - #KNB

Name: KnockBlock G4+ - #KNB
Brand: LINK ECU
SKU: 105-1000
Price: 462.0 CHF
Availability: InStock

CHF 462.00

Item is in stockHurry! Low inventoryItem is out of stock Item is unavailable

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It is used it with ear buds, headphones or noise cancelling ear muffs and features special filtering to allow you to listen in and detect knock early.  \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eListen to one or two knock sensors\u003c\/li\u003e \u003cli\u003eSpecial filtering design improves signal to noise ratio\u003c\/li\u003e \u003cli\u003eCan be used with ear-buds, headphones or noise cancelling ear muffs\u003c\/li\u003e \u003cli\u003eLong life lithium rechargeable battery\u003c\/li\u003e \u003cli\u003eRugged CNC aluminium enclosure\u003c\/li\u003e \u003cli\u003eFlying lead headphones connector\u003c\/li\u003e \u003cli\u003eCan be used with all OEM knock sensors\u003c\/li\u003e \u003cli\u003eCan be used to interface directly to a laptop for recording of engine noise or knock sensor frequency analysis (using PCLink G4+)\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePlease note headphones with their own noise filtering may be unsuitable for use with the knock block.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWhat’s in the Box?\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eG4+ KnockBlock\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2 sensor looms (attached)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1 headphone loom (attached)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eQuick Start Guide\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1 USB cable mini\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2 Bosch type doughnut OEM knock sensors\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2 small Link Engine Management stickers\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003ch2\u003eOperating\u003c\/h2\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cul\u003e \u003cli\u003eInstall the knock sensor\/s in a suitable location on the engine (typically on a solid mounting point on the block near the cylinder head)\u003c\/li\u003e \u003cli\u003eIf only using one sensor, leave the unused sensor cable disconnected\u003c\/li\u003e \u003cli\u003eTurn the volume control clockwise until it clicks. The LED indicator will turn blue when the KnockBlock is operating\u003c\/li\u003e \u003cli\u003eTurn the volume to the minimum setting (most anti-clockwise)\u003c\/li\u003e \u003cli\u003eConnect headphones to the 3.5mm audio jack\u003c\/li\u003e \u003cli\u003eRun the engine and carefully increase the volume (clockwise) until engine mechanical noise can be heard. Adjust to a comfortable listening volume\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003ch2\u003eCharging\u003c\/h2\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cul\u003e \u003cli\u003eTurn off the KnockBlock by turning the volume control anti-clockwise until it clicks\u003c\/li\u003e \u003cli\u003eConnect the USB charging cable to the KnockBlock’s Mini USB connector. Can be charged from any standard USB charger PC, laptop, car or cell phone charger (2.1A at 5V max)\u003c\/li\u003e \u003cli\u003eThe LED indicator will show red while charging. When the indicator turns off the battery is fully charged\u003c\/li\u003e \u003cli\u003eCharge the G4+ KnockBlock after use and before storage\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003ch2\u003eWhat’s in the Box?\u003c\/h2\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cul\u003e \u003cli\u003eG4+ KnockBlock\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003col\u003e \u003cli\u003e2 sensor looms (attached)\u003c\/li\u003e \u003cli\u003e1 headphone loom (attached)\u003c\/li\u003e \u003c\/ol\u003e \u003cp\u003e \u003c\/p\u003e \u003cul\u003e \u003cli\u003eQuick Start Guide\u003c\/li\u003e \u003cli\u003e1 USB cable mini\u003c\/li\u003e \u003cli\u003e2 Bosch type doughnut OEM knock sensors\u003c\/li\u003e \u003cli\u003e2 small Link Engine Management stickers\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c!----\u003e","published_at":"2025-03-25T11:06:53-04:00","created_at":"2025-03-25T11:07:01-04:00","vendor":"LINK ECU","type":"accessories","tags":["accessories"],"price":46200,"price_min":46200,"price_max":46200,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":41064836956245,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"105-1000","requires_shipping":true,"taxable":true,"featured_image":{"id":32901756485717,"product_id":7101476372565,"position":5,"created_at":"2025-03-25T11:07:01-04:00","updated_at":"2025-03-25T11:07:01-04:00","alt":null,"width":1200,"height":1200,"src":"\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.0.jpg?v=1742915221","variant_ids":[41064836956245]},"available":true,"name":"KnockBlock G4+ - #KNB","public_title":null,"options":["Default Title"],"price":46200,"weight":283,"compare_at_price":null,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":null,"featured_media":{"alt":null,"id":24724167917653,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.0.jpg?v=1742915221"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.1.jpg?v=1742915221","\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.2.jpg?v=1742915221","\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.3.jpg?v=1742915221","\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.4.jpg?v=1742915221","\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.0.jpg?v=1742915221"],"featured_image":"\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.1.jpg?v=1742915221","options":["Title"],"media":[{"alt":null,"id":24724167786581,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.1.jpg?v=1742915221"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.1.jpg?v=1742915221","width":1200},{"alt":null,"id":24724167819349,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.2.jpg?v=1742915221"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.2.jpg?v=1742915221","width":1200},{"alt":null,"id":24724167852117,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.3.jpg?v=1742915221"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.3.jpg?v=1742915221","width":1200},{"alt":null,"id":24724167884885,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.4.jpg?v=1742915221"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.4.jpg?v=1742915221","width":1200},{"alt":null,"id":24724167917653,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.0.jpg?v=1742915221"},"aspect_ratio":1.0,"height":1200,"media_type":"image","src":"\/\/speedzone-web.com\/cdn\/shop\/files\/KNB.0.jpg?v=1742915221","width":1200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ctable width=\"100%\" style=\"height: 19.5938px;\"\u003e \u003ctbody\u003e \u003ctr style=\"height: 19.5938px;\"\u003e \u003ctd style=\"height: 19.5938px;\"\u003e  \u003cp\u003e\u003cspan\u003eThe G4+ KnockBlock is an essential tool for tuning and can aid in the early detection of incorrect ignition timing, lean air\/fuel mixtures and mechanical issues. It is used it with ear buds, headphones or noise cancelling ear muffs and features special filtering to allow you to listen in and detect knock early.  \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eListen to one or two knock sensors\u003c\/li\u003e \u003cli\u003eSpecial filtering design improves signal to noise ratio\u003c\/li\u003e \u003cli\u003eCan be used with ear-buds, headphones or noise cancelling ear muffs\u003c\/li\u003e \u003cli\u003eLong life lithium rechargeable battery\u003c\/li\u003e \u003cli\u003eRugged CNC aluminium enclosure\u003c\/li\u003e \u003cli\u003eFlying lead headphones connector\u003c\/li\u003e \u003cli\u003eCan be used with all OEM knock sensors\u003c\/li\u003e \u003cli\u003eCan be used to interface directly to a laptop for recording of engine noise or knock sensor frequency analysis (using PCLink G4+)\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePlease note headphones with their own noise filtering may be unsuitable for use with the knock block.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWhat’s in the Box?\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eG4+ KnockBlock\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2 sensor looms (attached)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1 headphone loom (attached)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eQuick Start Guide\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1 USB cable mini\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2 Bosch type doughnut OEM knock sensors\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2 small Link Engine Management stickers\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003ch2\u003eOperating\u003c\/h2\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cul\u003e \u003cli\u003eInstall the knock sensor\/s in a suitable location on the engine (typically on a solid mounting point on the block near the cylinder head)\u003c\/li\u003e \u003cli\u003eIf only using one sensor, leave the unused sensor cable disconnected\u003c\/li\u003e \u003cli\u003eTurn the volume control clockwise until it clicks. The LED indicator will turn blue when the KnockBlock is operating\u003c\/li\u003e \u003cli\u003eTurn the volume to the minimum setting (most anti-clockwise)\u003c\/li\u003e \u003cli\u003eConnect headphones to the 3.5mm audio jack\u003c\/li\u003e \u003cli\u003eRun the engine and carefully increase the volume (clockwise) until engine mechanical noise can be heard. Adjust to a comfortable listening volume\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003ch2\u003eCharging\u003c\/h2\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cul\u003e \u003cli\u003eTurn off the KnockBlock by turning the volume control anti-clockwise until it clicks\u003c\/li\u003e \u003cli\u003eConnect the USB charging cable to the KnockBlock’s Mini USB connector. Can be charged from any standard USB charger PC, laptop, car or cell phone charger (2.1A at 5V max)\u003c\/li\u003e \u003cli\u003eThe LED indicator will show red while charging. When the indicator turns off the battery is fully charged\u003c\/li\u003e \u003cli\u003eCharge the G4+ KnockBlock after use and before storage\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003ch2\u003eWhat’s in the Box?\u003c\/h2\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cul\u003e \u003cli\u003eG4+ KnockBlock\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003col\u003e \u003cli\u003e2 sensor looms (attached)\u003c\/li\u003e \u003cli\u003e1 headphone loom (attached)\u003c\/li\u003e \u003c\/ol\u003e \u003cp\u003e \u003c\/p\u003e \u003cul\u003e \u003cli\u003eQuick Start Guide\u003c\/li\u003e \u003cli\u003e1 USB cable mini\u003c\/li\u003e \u003cli\u003e2 Bosch type doughnut OEM knock sensors\u003c\/li\u003e \u003cli\u003e2 small Link Engine Management stickers\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c!----\u003e"}

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Notes

SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY

*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.

Email: Sales@Speedzoneweb.com

Call: 407-846-8430

Text: 407-749-6314

Frequently Asked Questions

Brand: LINK ECU
SKU: 105-1000

The G4+ KnockBlock is an essential tool for tuning and can aid in the early detection of incorrect ignition timing, lean air/fuel mixtures and mechanical issues. It is used it with ear buds, headphones or noise cancelling ear muffs and features special filtering to allow you to listen in and detect knock early.

Listen to one or two knock sensors
Special filtering design improves signal to noise ratio
Can be used with ear-buds, headphones or noise cancelling ear muffs
Long life lithium rechargeable battery
Rugged CNC aluminium enclosure
Flying lead headphones connector
Can be used with all OEM knock sensors
Can be used to interface directly to a laptop for recording of engine noise or knock sensor frequency analysis (using PCLink G4+)

Please note headphones with their own noise filtering may be unsuitable for use with the knock block.

What’s in the Box?
G4+ KnockBlock
2 sensor looms (attached)
1 headphone loom (attached)
Quick Start Guide
1 USB cable mini
2 Bosch type doughnut OEM knock sensors
2 small Link Engine Management stickers

Operating

Install the knock sensor/s in a suitable location on the engine (typically on a solid mounting point on the block near the cylinder head)
If only using one sensor, leave the unused sensor cable disconnected
Turn the volume control clockwise until it clicks. The LED indicator will turn blue when the KnockBlock is operating
Turn the volume to the minimum setting (most anti-clockwise)
Connect headphones to the 3.5mm audio jack
Run the engine and carefully increase the volume (clockwise) until engine mechanical noise can be heard. Adjust to a comfortable listening volume

Charging

Turn off the KnockBlock by turning the volume control anti-clockwise until it clicks
Connect the USB charging cable to the KnockBlock’s Mini USB connector. Can be charged from any standard USB charger PC, laptop, car or cell phone charger (2.1A at 5V max)
The LED indicator will show red while charging. When the indicator turns off the battery is fully charged
Charge the G4+ KnockBlock after use and before storage

What’s in the Box?

G4+ KnockBlock

2 sensor looms (attached)
1 headphone loom (attached)

Quick Start Guide
1 USB cable mini
2 Bosch type doughnut OEM knock sensors
2 small Link Engine Management stickers

Our History

For 23 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.

Our Florida Locations

Kissimmee • Orlando • Tampa

Testimonials

We let our reviews speak for themselves.

4.9 average
914 reviews

Kissimmee

Orlando

Tampa

Great service at a fair price. I highly recommend them for all your performance needs. They have the know how to complete that project.

Donald Berry

Happy Customer

Google Review

Dropped off my 2022 Subaru WRX for Exhaust, spoiler, aeroflow dynamic kit, and they killed it. Quality work and amazing customer service. Speedzone gets you right.

Edward Roldan

Happy Customer

Google Review

They gave me the best price I could find after shopping around for a while. They are well informed and familiar with the products they sell, great communication and quick responses. I would no doubt purchase from them again. Solid company. Recommended. A+

Paul K

A Month Ago

Google Review

Came based on a work buddies recommendation. I was late by 30 minutes, confused my appointment time. But, 10/10 would come back. Came for a Downpipe and midpipe install. Not only was the gentleman accommodating, He ran into some issues, staff helped me out and pointed me into the right direction and got me going! They got my business and wouldn’t go anywhere else again!

Kiyo Gallimore

Verified Customer

Google Review

They Take Great Care Of Their Customers and Their Rates Are Better Than The Competition! They Also Respond Quickly And Have A Great Assortment Of Parts!

Jad

6 months Ago

Google Review

Absolutely love the customer service that you get with Speedzone Performance! All my questions are always answered in such a timely manner and this a big PLUS because I live out of Florida and for them to be on top of answering all my questions in such a way means a lot. Thank you all for the amazing customer service.

Daisy Vargas

Verified Customer

Google Review

My favorite place to go for anything car related, they have anything you could imagine & more. The people who work here are the coolest and most helpful people I’ve yet to meet at a car shop. They also don’t try to force sales on you and they genuinely help you with what you’re looking for, 100/10 shop!

Stephanie Trinidad

Loyal Customer

Google Review

The best of best, they are so nicely and kind people, yankee and billy more than the ones that runs the store they are a friend to everyone who walks in the store, very patient gets everyone what they need, everything you ask them they’ll answer your questions the best as possible, I love shopping there. They have the best prices, anything as car need you’ll find it there big shout-out to Yankee for being an amazing person and most important as a friend!! I love Speedzone!

Jansel Castillo

Loyal Customer

Google Review

Cart0 items

KnockBlock G4+ - #KNB

SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY

Email: Sales@Speedzoneweb.com

Call: 407-846-8430

Text: 407-749-6314

Frequently Asked Questions

Operating

Charging

What’s in the Box?

Our History

Our Florida Locations

Testimonials

Parts Financing

Product Request

Return Policy

Wheel & Tire Builder

Discount Codes

Air Suspension Sponsorships