Product details
About shipping
1.Important: Import duties, taxes and other customs related charges all are not included into shipping cost . Buyers bear all responsibility for all extra charges incurred (if any).
2. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
3. When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
4.Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound. The shipping rate can be showed at the Checkout page. There are two options for shippig as below.
A. Standard Shipping(≤2KG): The Post Registered Air Mail, USPS/ePacket, PostNL, Singapore Post, or DHL Global Mail
B. Express Shipping: EMS, DHL, UPS , or Fedex, Special Route.,etc. For faster shipping and smooth transaction, we will change the shipping company among them
C. Economy Shipping: China Air Post Mail / Parcel, Hongkong Air Post Mail / Parcel, or shipment by sea etc
RETURNS POLICY
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days). If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
SELLER GUARANTEES
1. One year Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.
2. Defective items MUST BE reported and returned within the warranty period (with the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY. You agree to all of the above-listed policies upon ordering on our store.
SHIPPING RATE
How to check the latest shipping cost, please follow steps below.
1. Click the ADD TO CART button;
2. Click the GO TO CART button;
3. Input your Country, State or Province, Postal/Zip Code;
4. Finally, click the CALCULATE SHIPPING
Standard Shipping(≤2KG) ---Through Post Registered Air Mail, ePacket or DHL Global Mail,.etc.
Weight(KG) | Shipping Code | Shipping Cost(USD) |
0.1~0.2 |
Standard Shipping The Post 0.2
|
3 |
0.21~0.3 |
Standard Shipping The Post 0.3
|
4 |
0.31~0.4 | Standard Shipping The Post 0.4 | 5 |
0.41~0.5 | Standard Shipping The Post 0.5 | 7 |
0.51~0.6 | Standard Shipping The Post 0.6 | 8 |
0.61~0.7 | Standard Shipping The Post 0.7 | 11 |
0.71~0.8 | Standard Shipping The Post 0.8 | 13 |
0.81~0.9 | Standard Shipping The Post 0.9 | 15 |
0.91~1.0 | Standard Shipping The Post 1.0 | 17 |
1.01~1.0 | Standard Shipping The Post 1.1 | 19 |
1.11~1.2 | Standard Shipping The Post 1.2 | 20 |
1.21~1.3 | Standard Shipping The Post 1.3 | 21 |
1.31~1.4 | Standard Shipping The Post 1.4 | 22 |
1.41~1.5 | Standard Shipping The Post 1.5 | 23 |
1.51~1.6 | Standard Shipping The Post 1.6 | 24 |
1.61~1.7 | Standard Shipping The Post 1.7 | 25 |
1.71~1.8 | Standard Shipping The Post 1.8 | 26 |
1.81~1.9 | Standard Shipping The Post 1.9 | 27 |
1.91~2.0 | Standard Shipping The Post 0.8 | 28 |
Express Shipping ---Through Special Routes, EMS, DHL, UPS ,Fedex, or TNT. For faster shipping and smooth transaction, we will change the shipping company among them
Weight(KG) | Shipping Code | Shipping Cost(USD) |
0~0.5 |
Express Shipping L0.5
|
17 |
0.51~1 |
Express Shipping L1.0
|
20 |
1.01~1.5 | Express Shipping L1.5 | 25 |
1.51~2 | Express Shipping L2.0 | 30 |
2.01~2.5 | Express Shipping L2.5 | 35 |
2.51~3 | Express Shipping L3.0 | 38 |
3.01~3.5 | Express Shipping L3.5 | 40 |
3.51~4 | Express Shipping L4.0 | 42 |
4.01~4.5 | ExpressShipping L4.5 | 44 |
4.51~5 | Express Shipping L5.0 | 47 |
5.01~5.5 | Express Shipping L5.5 | 59 |
5.51~6 | Express Shipping L6.0 | 62 |
6.01~6.5 | Express Shipping L6.5 | 65 |
6.51~7 | Express Shipping L7.0 | 68 |
7.01~7.5 | Express Shipping L7.5 | 71 |
7.51~8 | Express Shipping L8.0 | 74 |
8.01~8.5 | Express Shipping L8.5 | 77 |
8.51~9 | Express Shipping L9.0 | 80 |
9.01~9.5 | Express Shipping L9.5 | 82 |
9.51~10 | Express Shipping L10.0 | 86 |
10.01~10.5 | Express Shipping L10.5 | 103 |
10.51~11 | Express Shipping L11.0 | 107 |
11.01~11.5 | Express Shipping L11.5 | 110 |
11.51~12 | Express Shipping L12.0 | 114 |
12.01~12.5 | Express Shipping L12.5 | 118 |
12.51~13 | Express Shipping L13.0 | 122 |
13.01~13.5 | Express Shipping L13.5 | 126 |
13.51~14 | Express Shipping L14.0 | 130 |
14.01~14.5 | Express Shipping L14.5 | 134 |
14.51~15 | Express Shipping L15.0 | 137 |
15.01~15.5 | Express Shipping L15.5 | 140 |
15.51~16 | Express Shipping L16.0 | 143 |
16.01~16.5 | Express Shipping L16.5 | 146 |
16.51~17 | Express Shipping L17.0 | 149 |
17.01~17.50 | Express Shipping L17.5 | 152 |
17.51~18 | Express Shipping L18.0 | 155 |
18.01~18.50 | Express Shipping L18.5 | 158 |
18.51~19 | Express Shipping L19.0 | 161 |
19.01~19.5 | Express Shipping L19.5 | 164 |
19.51~20 | Express Shipping L20.0 | 167 |
20.01~20.5 | Express Shipping L20.5 | 170 |
20.51~21 | Express Shipping L21.0 | 173 |
21.01~21.5 | Express Shipping L21.5 | 176 |
21.51~22 | Express Shipping L22.0 | 179 |
22.01~22.5 | Express Shipping L22.5 | 182 |
22.51~23 | Express Shipping L23.0 | 185 |
23.01~23.5 | Express Shipping L23.5 | 189 |
23.51~24 | Express Shipping L24.0 | 192 |
24.01~24.50 | Express Shipping L24.5 | 195 |
24.51~25 | Express Shipping L25.0 | 198 |
Note:
1.This table of shipping rate will be added to the checkout. The shipping rate can be showed at the Checkout page. And, the table is for reference only. Final shipping rate is subject to actual checkout.
2.The shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
3.If you have any questions about the shipping rate, pleas don't be hesitate to contact us through the ways as below.
Email: sales@iwistao.com
IWISTAO HIFI Headphone Amplifier Fully Balances Designed to reference to Lehman Circuit 32 to 600 Ohms Audio
Model No: WHF-EALH6535
This headphone amplifier utilizes a refined Lehmann circuit, featuring a fully balanced, four-channel amplification design. It incorporates a comprehensive headphone protection circuit with delayed activation, mid-point detection, and power-off muting. The meticulously designed chassis exudes quality both inside and out.



Features
1. Employs audiophile-grade stepped potentiometers with less than 1% error, eliminating the issue of positive and negative half-wave distortion in balanced circuits.
2. Utilizes numerous audiophile-grade components for precise tuning and exceptional sound quality.
3. Specifically designed for high-impedance, balanced headphones requiring substantial power, delivering a composed and accurate sound reproduction.
Specifications
1. Headphone Impedance Range: 32-600 ohms
2. Frequency Response: 10Hz-20kHz (-1dB)
3. Distortion: 0.02% @ 1kHz, Vppm=20V (90% power output)
4. Output Noise: 90dB
5. Output Impedance: 10 ohms
6. Rated Output Power: 1600mW @ 60 ohms; 920mW @ 300 ohms; 470mW @ 600 ohms
7. Input Sensitivity: 300mVrms (-7dB) (at rated output)
8. Gain: High gain 12x
9. Power Supply: AC 110V or 220V
10. Weight: about 2.5 kg
11. Dimensions (L*W*H): 160mm *116mm * 48mm
12. Accessories: Power cord x1
Fully Balanced Mode Connection Diagram
1. Connect the rear panel's left and right channel XLR inputs to the XLR outputs of your audio source.
2. Insert the 4-pin XLR plug of your balanced headphones into the front panel's XLR balanced output.
3. If your headphones have a 4.4mm balanced plug, we offer a 4.4mm to 4-pin XLR adapter. You can find it at the link below or contact customer service for assistance.
4. The left and right volume knobs control the respective channel volumes.

Single-Ended Mode Connection Diagram
1. Connect the left and right channel RCA inputs on the rear panel to the RCA outputs of your audio source.
2. Insert the 6.5mm headphone plug into the 6.5mm single-ended headphone output jack on the front panel.
3. If your headphones have a 3.5mm plug, we offer a 3.5mm to 6.5mm adapter. You can find it at the link below or contact customer service for assistance.
