IWISTAO Tube Headphone Amplifier Decoder 6S6T USB Bluetooth 4.2 Receiver Coaxial APTX-LL HIFI

19 In stock

Tube Preamplifier

Tube Headphone Amplifier Decoder 6S6T USB Decoding Bluetooth 4.2 Receiver Coaxial Input Tube Preamplifier Model No: WVPA-B6S6T   This is a tube headphone amplifier plus USB decoding, digital coaxial input, Bluetooth 4.2 receiver and a tube preamp output. With a vertical housing design, it occupies a small area on desktop, its...
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Tube Headphone Amplifier Decoder 6S6T USB Decoding Bluetooth 4.2 Receiver Coaxial Input Tube Preamplifier

Model No: WVPA-B6S6T

This is a tube headphone amplifier plus USB decoding, digital coaxial input, Bluetooth 4.2 receiver and a tube preamp output. With a vertical housing design, it occupies a small area on desktop, its headphone amplifier section is an SRPP output with 4 pcs 6S6T tubes. The timbre is beautiful,  tri-band equalization, the melody is smooth, and it is gentle and don’t feel to be tired. It is a very convenient multi-function unit that can be connected to Computers, CD players, digital players, etc., mobile phones can be either wired or Bluetooth wireless connections, or they can be connected to power amplifiers or active speakers.



1. full aluminum vertical case;

2. The headphone amplifier uses 4 pcs 6S6T tubes;

3. Adopt HIFI components. The key part uses imported capacitors, ALPS potentiometers, custom-made HIFI audio transformers;

4. The circuit board adopts 3-layer modular three-dimensional structure, which is convenient for future maintenance or upgrade;

5. Built-in Bluetooth 4.2 receiver module to facilitate mobile phone users and Bluetooth-enabled signal sources, which can meet the lossless transmission of music, with the mobile phone's music playback is getting better and better. In the future, more and more smart phone will cancel the headset jack, and then Bluetooth reception is still a very useful feature.





1. Circuit Structure: SRPP Class A amplification

2. Frequency response: 20Hz-20KHz -0.1dB

3. Output power: 300mW

4. Headphone impedance: 32Ω - 600Ω

5. Analog input: 1 set of RCA line input

6. Digital input:

a) 1 USB input 24bit 192K

b) 1 set of coaxial input 24bit 192K

c) 1 Bluetooth receiver with Bluetooth 4.2, supports APT-X and APTX-LL

7. Output interface: 1 set of RCA line output

8. 2 groups 6.35 headphone output (different timbre)

9. Power input: 220V / 50~60Hz

10. Power Consumption: <35W

11. Volume(L*W*H): 120mm*200mm*180mm

12. Weight: 3.8Kg

13. Accessories

Power cord x1


User Instructions:

1. The panel has a volume control knob and an input selection knob, which can be selected according to the following input. COA (coaxial digital input) can be connected to all audio coaxial digital signal output devices, such as CD players, digital players, etc.

2. BLU (Bluetooth signal input) can connect with all 2.4G wireless Bluetooth devices, such as mobile phones, computers, etc.

3. CRA (analog line input);

4. USB (USB signal input) can be connected to a computer or OTG can be connected to an Android phone;

5. Please pay more attention, two sets of 6.35mm headphone output, suitable for 32Ω-600Ω earphones. It is not recommended to use earphones below 32Ω, because the unit may have noise at the time of using low impedance and high sensitivity headphones for AC lighting.

6. The sound quality of the two headphones is different. The sound quality of PHONES1 is pure: PHONES2 is transparent, and they can be selected according to your preferences.

7. For USB function, The USB driver can be installed, when you place order and complete the payment, we will send a link for download. After installing the driver, SS USB Audio will be displayed in the computer device manager.

8. Bluetooth use: select the switch to hit BLU, open the smart phone’s Bluetooth switch, search for Bluetooth device SS BT Audio, search and connect to use. If you want to clear the memory, press and hold the Rest button for 6 seconds to clear the previous memory.



1. After using the unit for 20 minutes, the timber will be better. The model of tube used  is 6S6T. It can be replaced by 6Э6П in the former Soviet Union. There will be a certain temperature when using the casing for a long time. Please do not cover the heat dissipation hole.

2. There is high voltage inside the unit. Do not disassemble it if you are not professional. There is danger of electric shock!



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, ePacket or DHL Global Mail

B. Express Shipping: EMS, DHL, UPS , or Fedex. For faster shipping and smooth transaction, we will change the shipping company among them

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.

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