Reson RBK4 banana plug Gold-plated copper contacts

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ETI KRYORCA4 - Test Hifi Stars - pdf

modelz-res-rbk4

manufacturerReson

Weight:0,30 kg

Reson RBK4 banana plug Gold-plated copper contacts

Name: Reson RBK4 banana plug Gold-plated copper contacts
Brand: Reson
SKU: z-res-rbk4
Price: 79.00 EUR
Availability: InStock

€79,00 / Set

incl. 19% VAT plus €6,50 DHL-Shipping

Delivery Mon 02. Nov - Thu 05. Nov 2026 **

Shopping at Klangheimat

Good to know – all about your order.

Delivery times, services for your records, our loyalty discount and all payment options: here you’ll find the essentials about shopping at Klangheimat at a glance.

Delivery time at a glance

Coloured delivery van icon on every item

Safely packed – free

New PE outer sleeve & LP mailer box included

Loyalty discount up to 7%

Automatically from your next order

Pay the way you like

From prepayment with discount to Apple Pay

Shop with confidence

Here for music lovers since 2010 – rated by our customers

Honesty matters to us: our customer reviews are independently checked and verified by Shopvote. See for yourself how satisfied buyers from all over Europe are with us.

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At a glance – jump straight to

Delivery times

What the delivery van colour means ↓

Record services

Free protection & extra services ↓

Loyalty discount

Up to 7% for loyal customers ↓

Payment

All payment methods & discounts ↓

01 · Delivery times

When will my order arrive?

Sourcing records and CDs is complex. So that you always know where you stand, we show the delivery time on every item as precisely as possible. Our focus is on audiophile records and CDs – in close cooperation with Sieveking Sound, whose stock is shown in the shop on a daily basis.

For items not in stock, a direct stock check isn’t possible while you order. We check availability immediately afterwards and inform you without delay.

How to read the delivery time: The colour of the delivery van icon on the item matches the colour of the dot in the table.

	1–3 days — Klangheimat warehouse In stock & ready to ship Ready for dispatch within 24 hours. Orders placed before 11 am often ship the same day.
	2–6 days — Sieveking Sound Sufficient stock in external warehouse Sufficient stock – quick and easy to reorder.
	2–6 days — Sieveking Sound Low stock in external warehouse – order soon Fewer than 5 units available.
	3–6 days — German partners & wholesalers Not in stock – reorder (if available from supplier) Can be reordered within 24 hours, 1–4 days to reach us.
	4–6 days — EU drop shipment Not in stock – reorder (if available from supplier) Direct delivery from the manufacturer or a partner in Europe. A phone number for the courier is required.
	4–16 days — Major supplier worldwide Not in stock – reorder (if available from supplier) International order. Immediate refund if unavailable.
	On request — delivery time undetermined Please enquire about item status before ordering From short notice up to 4 weeks, possibly sold out.
	Backorder Already reordered by us – available shortly Usually available within one week.
	New release announced Coming soon – exact delivery time unknown Release date shown on the product page. For US titles, please allow several weeks of lead time.
	2–48 weeks Currently unavailable – long wait possible Listed in our catalogue, currently out of stock. Waiting time may be up to 12 months.
	Currently sold out Not available Please enquire individually.

Several items, not all in stock? Here’s how we ship

For orders of records and CDs where not all items are in stock, we proceed as follows:

1	Shipped together As a rule, we first reorder missing items so we can send your order in one parcel wherever possible.

2	Immediate partial shipment if the wait is longer If we see right away that an item will take longer, we send you the available items straight away as a partial shipment.

3	Automatic check every 14 days Every 14 days, our system automatically checks whether a further partial shipment can be sent on its way.

For deliveries to other European countries, please allow up to 4 additional working days.

↑ Back to overview

02 · Record services

Included with every record

Our records travel well protected – at no extra cost:

Free

New PE outer sleeve

Every record receives a new, snug-fitting PE outer sleeve – protection against scratches, dust and scuffs.

Free

High-quality LP mailer boxes

Sturdy record mailers with edge protection and a cardboard sandwich – so your records arrive in perfect condition.

More about Klangheimat Vinyl Protect →

Extra services – simply add to your order

When buying records, you can conveniently add these services:

Inner sleeve exchange

€0.30

We replace the original inner sleeve with a new, lined inner sleeve – the old one is included.

Record cleaning

€1.59

Professional wet cleaning with our Clearaudio Double Matrix Professional Sonic – removes pressing residue and dirt. Followed by an exchange for a lined inner sleeve.

Learn more →

Cleaning & preservation

€2.90

Wet cleaning as above, followed by treatment with Formula LAST Record Preservative for lasting protection of the groove. Inner sleeve exchange included.

Learn more →

Record flattening

on request

Warped records are gently flattened and tempered with controlled heat.

Learn more →

↑ Back to overview

03 · Loyalty discount

Loyalty pays off – order after order

The more you order from us, the more you save: our loyalty discount grows automatically – up to 7% on every further order.

Your discount tiers

2%	3%	5%	7%

from €500	from €1,000	from €2,500	from €5,000

—	What counts is your order value over the last 12 months – the period rolls continuously.
—	The discount applies from your next order – the order with which you reach a tier counts in full towards your spend.
—	Automatic, no points and no code. Requirement: a customer account with Klangheimat.

More about the loyalty discount →

€5

Voucher for signing up to our newsletter

Join the Klangheimat Zirkel: new releases and exclusive offers straight to your inbox.

↑ Back to overview

04 · Payment

Pay the way you prefer

Payment in advance

Bank transfer to our account – dispatch after receipt of payment. 3% discount on the order value.

PayPal

Credit card, debit card, direct debit, bank transfer and instalments – with or without a PayPal account. Plus 0% financing – we cover the fees.

Klarna

Invoice with 14-day payment term or flexible instalments – conversion at a later date is possible.

Sofort bank transfer

TÜV-certified, with real-time confirmation – in-stock items can ship immediately. 1% discount.

Amazon Pay

Pay with your Amazon account – no separate customer account with us required.

Invoice

Available from your third order – directly with us, without an external payment provider.

Google Pay & Apple Pay

Fast and secure via our payment provider Stripe.

Note on back-orders: Prefer not to pay in advance for an item that takes longer to arrive? Simply choose invoice (Klarna) or prepayment and let us know in the order’s comment field – we’ll take care of it.

Note on Klarna: Use of invoice, instalment purchase and direct debit is subject to a positive credit check. Klarna Bank AB (publ), Sveavägen 46, 111 34 Stockholm.

↑ Back to overview

1 Set in stock

24 months statutory warranty

Safely & shockproof packed
Exclusive regular customer benefits
Audiophile sound culture

The Reson RBK4 hollow banana plugs offer a sonically optimized solution for 4mm connections
Directly gold-plated copper-beryllium contacts, with no material transitions and cryogenic treatment, ensure maximum signal transmission and first-class sound quality
One set contains four innovative plugs

This article received tests and reviews in the following specialist magazines and forums:

Hifi Magazine / Forum - Date	Link / Award
Image Hifi - 5/2013	The ETI Eichmann Bulett Plug tested by Image Hifi

Klangheimat Zirkel

Become a member. Benefit with every purchase.

Your benefit as a regular customer

Loyalty discount on every further order

If you shop with us regularly, you save automatically – from your second order onwards, with no voucher code required.

How the loyalty discount works →

— €5 welcome discount on your first order after signing up

— Exclusive promotions, offers & news from Klangheimat

Join now Free & cancel anytime

Klangheimat service at a glance

Your listening experience in the best hands.

We’re here for you throughout your purchase – and especially when it comes to audiophile music: from personal advice on choosing products and technical support to smooth, fast shipping.

Our aim: first-class records, CDs and hi-fi products, combined with a service tailored precisely to your needs – so you can enjoy your music in the best possible quality.

Personal advice

When choosing your records, CDs and hi-fi components

Technical support

From installation to fine adjustment

Fast shipping

Carefully packed, reliably delivered

Services for audiophile music media & hi-fi

Everything for your perfect sound

From selection and care to demonstration: our services accompany your music every step of the way.

Product range

Audiophile hi-fi, vinyl & CDs

One of the largest audiophile ranges on the market: reference-quality records and CDs, selected hi-fi components and well-thought-out accessories.

Vinyl · CD · Hi-Fi

Learn more →

Shipping

Record shipping with edge protection

Your records travel in high-quality mailer boxes with edge protection – so sleeves and pressings reach you in perfect condition.

Included

Learn more →

Technical service

Cartridge replacement & alignment

We fit your cartridge professionally and align it precisely – for clean tracking and the full sonic potential of your turntable.

On request

Record care

Record cleaning

Professional deep cleaning with the Clearaudio Double Matrix Sonic followed by preservation treatment – for less crackle and more sonic detail.

from €1.59

Learn more →

Record care

Record flattening

Warped records are gently flattened and tempered with controlled heat – so the stylus glides calmly through the groove again.

On request

Learn more →

Experience

Klangheimat Studio

In our listening studio we demonstrate equipment and take time for your questions – hear for yourself before you decide.

Listening studio · Demonstration

Learn more →

Klangheimat customer & loyalty programme

Loyalty pays off – order after order

As a Klangheimat customer you benefit twice: from our automatic loyalty discount and a welcome voucher for our newsletter.

Up to 7%

Loyalty discount

The more you order from us, the more you save: from €500 spent in 12 months you receive 2%, rising in tiers up to 7% – automatically from your next order.

2% · 3% · 5% · 7%

More about the loyalty discount →

€5

Voucher for signing up to our newsletter

Join the Klangheimat Zirkel: news, new releases and exclusive offers straight to your inbox – plus a €5 voucher as a thank-you.

Klangheimat Zirkel

Delivery
Our standard delivery is free of charge from:

Germany 90,- €
Austria 200,- €
Switzerland 300,- €

Return shipment

A return shipment from Germany costs € 5.90

Please register your return with us, then you will receive a return slip by e-mail. This ensures that the return is always sent to the correct address.

The delivery times can be found in the delivery status display on the item. Click here for the detailed delivery status display.

Contact information according to Art. 19 EU GPSR

Postal address

reson audio gmbh reson

Gartenstrasse 26
79774 Albbruck

Reson RBK4 banana plug Gold-plated copper contacts

The Reson RBK4 banana plugs represent an outstanding innovation in audio technology that will delight both music lovers and professional users. The use of high-purity, direct gold-plated copper contacts enables optimum signal transmission, ensuring exceptional sound quality. These plugs offer a precision that allows the finest details and nuances of the music to be experienced without sound-deteriorating transitions.

Thanks to the sophisticated design and unique construction, the Reson RBK4 significantly reduces sound degrading transitions. Additional cryogenic treatment creates an extremely stable connection, resulting in a noticeable improvement in sound quality. Screwable contact interfaces offer convenient handling and flexible adaptation to a wide range of audio setups - ideal for home use as well as professional applications.

Perfect for integration into any existing audio system, the Reson RBK4 plugs are a convincing choice for anyone who appreciates the highest level of music reproduction fidelity. Despite their fair price-performance ratio, they deliver a performance that is often reserved for more expensive products.

Product features:

High-purity, direct gold-plated copper contacts for loss-free signal transmission
Cryogenically treated structure for maximum stability and sound fidelity
Easy to install screw contacts for 4mm plug connections
Set of four plugs for comprehensive connectivity in audio technology
Suitable for a wide range of home and professional applications

The Reson RBK4 banana plugs open up new horizons of listening by providing an unadulterated and authentic musical experience. This accessory is indispensable for all those who value excellent audio quality without compromising. Every detail of the music is reproduced with vivid fidelity to realize the full potential of any audio source.