KOJO Technology Crystal E Audiophile Ground Box
KOJO Technology Crystal E Audiophile Ground Box
Brand: KOJO Technology
Low stock: 1 left
KOJO Technology is one of the first Japanese brands to launch ground box products. Crystal E inherited the design concept of Force barEP, re-examined the materials, internal structure, and shell design to push the sound quality to a higher level.
Crystal E is a ground box with multi-layer dissimilar metal structure like Force barEP. However, after the redesign of the shape, the ground surface area has been greatly increased by 1.75 times, and the effect is better than ever.
The new design not only increases the surface area of each layer of metal plates, but also reserves 0.5mm gaps between the layers of metal plates. The design is similar to the Heat Sink structure, and the dissimilar metal structure is more than the previous 6 layers (copper/brass/copper) /Brass/Copper/Steel> upgrade to 8-layer <Stainless Steel/Brass/Copper/Brass/Copper/Brass/Copper/Brass> is the key to the smaller Crystal E having a larger grounding area than before.
The housing material has also been improved. In the past, Force barEP only used 2mm stainless steel top cover and 1.5mm aluminum bottom plate. The Crystal series has been strengthened into 2mm aluminum top cover and 2mm steel bottom plate. The low center of gravity design makes the body more stable and helps improve the sound quality. .
The ground terminal of Crystal E uses M4-inch stainless steel screws to fix the ground wire of the Y-shaped plug, and it can be connected firmly by ordinary Phillips screwdriver. There are two ground terminals on the fuselage. In addition to connecting audio equipment, you can also connect one more Crystal E in series to enhance the effect.
In order to be the best, Crystal E focused on the floor box function, deleted the other functions of Force barEP, and redesigned the fuselage structure to create a new low-center multi-layer alien metal structure to maximize the floor box effect.
Crystal E comes with two 1.2-meter ground wires, one is RCA ‒ Y plug, and the other is Y ‒ Y plug. The same high-quality coaxial cable is used as before, with gold-plated plugs.
The RCA ‒ Y plug ground wire is suitable for connecting audio equipment with analog input and output terminals, such as amplifiers, and connects to vacant RCA terminals.
The Y ‒ Y plug ground wire is suitable for connecting to the housing of audio equipment that has no vacant RCA terminals, or equipment with GND terminals.
*We suggest to try different connection methods for better results
The new Crystal series was born to improve sound quality just like the previous Force bar, but maintaining product quality at a reasonable price is also the core value of the Crystal series. After deleting M・I・S and other functions, the material and production cost of Crystal E can be reduced, maintaining high cost performance.
In addition to eliminating signal noise and making the background darker and quieter, the mid-range, mid-range and low-frequency vocals and instrument sounds sound fuller and richer after using Crystal E. The analysis power is significantly improved, and the sound contours are more clean and neat, regardless of the pursuit of magnificence. Classical music with a sense of space, or lively Jazz, Rock, and Pop styles can be played more vividly.
Including Crystal E, the design concept of the entire Crystal series is the same as its name, pursuing clarity, slenderness, and transparency. Compared with the hard-feeling Force bar series, the silver-white matte body of the Crystal series feels more refined and advanced. In addition, , The sides of the fuselage and the bottom cover are all uniform in color, and the curved surface treatment of the bottom cover is also perfectly integrated with the top cover to give a sense of integration.
The product model is clearly printed on the top cover in thin fonts, which is more fashionable. At the same time, the ground connection method is clearly displayed with "FROM EQUIPMENT" and "ADD E" instructions, which is convenient for users to use, and does not lose KOJO "Creative Power Accessories" The good name.
- Dimensions: W80 × H35 × D111 [mm] (excluding terminals or protrusions)
- Weight: Approx. 775g
- Accessories: RCA plug - Y terminal (M4) (1.2m), Y terminal (M4) - Y terminal (M6) (1.2m)
2 Different Versions:
- Regular Version
- Jtune Version
Frequently Asked Questions
YES ! We are offering FREE shipping Airmail Service to major countries (US, UK, CA, EU, AU, NZ, Asia, HK, Russia), all parcels will be dispatched from Hong Kong. Due to impact of COVID-19, some countries may NOT be covered for normal delivery. We are monitoring logistic situation and will expand the delivery destinations from time to time.
Upon receiving your order / confirmation of payment, we will ship out in next 48 working hours. Our warehouse is located in Hong Kong, which is very efficient in processing your orders. Here are our experiences on the estimated delivery time for different regions.
US : 5 to 9 working days
UK / EU / Australia / New Zealand / Canada : 7 to 14 working days
Japan / South Korea : 5 to 9 working days
South East Asia : 7 to 14 working days
HK / Taiwan / Macau : 3 to 5 working days
Rest of the world ( including Russia ) : 14 to 21 working days
Please note that Christmas season is very unpredictable and please expect a little delay because of the volume of mails. Please Contact Us for any further questions.
We will use fastest and reliable logistic service provider to deliver the parcel, including Hong Kong Post, DHL, FedEx, UPS, Aramax...
Yes, our standard shipping method is by post office with tracking number. We will send you the mail tracking code by an automatic email after each shipment dispatches for your reference. Please note that the tracking code is very important, most customers can use the code to locate their packages from their post offices.
All of our products are priced at US dollars. However if you are using credit card (VISA, MasterCard, AE, Apple Pay, Google Pay) to pay via Shopify Payment, then you can choose to pay by Australian Dollar or British Pounds, Canadian Dollar, Euro, and Hong Kong Dollar shown on the product page. Yes the price on the page!
If you are paying via PayPal, you can select to pay with a list of common currencies offered by PayPal, which included Australian, Canadian, Euros, Japanese Yen, British Pounds, and more. But please note that Paypal's rate is around 2.5% higher than normal rate. You can opt to pay in US dollar and allow your credit card convert to your local currency at today's rate for you.
Paypal payment system is with a very high security standard. If there is a small discrepancy with your billing address, you will not be able to get through. Please pay attention on the address detail when using Paypal. You can always Contact Us for any payment difficulties; we will try our best to help.
We found that most customers cannot get through the Verified by Visa authentication, which is very important for the bank to verify your card. Please Contact Us for any payment difficulties; we will try our best to help.
No you do not have to pay any sales tax. Hong Kong does not charge any tax on sales purchases.
Although we CANNOT be responsible for your country's custom duty tax, we will try our best to help to minimize the risk. However there are still chances that you will need to pay custom duty enforced by your country. We have been shipping around the World for 15 years, we know who we are dealing with.
For US, Australia or New Zealand you probably do not need to worry about custom tax issue.
All products we sell are 100% brand New, Genuine, Authentic, unboxed in original packaging. We do not sell used or fake products. However, the warranty issued, unless otherwise stated, is usually effective in Hong Kong. To take the warranty, you will be responsible to mail us the product and we will help to fix it by authorized professional personnel at distributors. Then we will ship it back to you.
Please keep the original box with you for warranty purposes. Most distributor will state that they will need the warranty sticker on the box in order for them to honor the warranty service for you. This issue is especially true for AUDIO TECHNICA product here. They will refuse any warranty request if the warranty sticker with serial number on the box is not presented.
Most electronic products nowadays are with universal voltages (100V-240V) which can work anywhere in all countries. However, there may be some products that are specifically designed with a limited range of voltage. Please read the voltage note on product specifications.
Usually 100V - 110V will work in the US, Canada, and Japan. 220V - 240V will work in countries like Europe, UK, Australia, New Zealand and etc.
We will provide a free of charge travel plug adapter for your country. However, please note that we only have the following 4 types to choose from:
If we cannot find which type to use in your country, we may not be able to provide a suitable plug adapter with the shipment. Please Contact Us to let us know about it.
Rest assured, we only sell New and Genuine products in original packages at AccessoryJack. No fake products. We keep our price reasonably low by getting better cost structures and streamline operation efficiencies, but NOT by lower quality products. Customer satisfaction is always the first concern for us.
For further questions, pls contact us via Service@AccessoryJack.com