407-050 BRZHIFI Bluetooth Tube Amplifier 2x40W Hifi Amp 6H3 Tube + STK407-050

Description 407-050 BRZHIFI Bluetooth Tube Amplifier 2x40W Hifi Power Amp Assembled 6H3 Tube + STK407-050 Description: It is designed with STK407-050 power amplifier module. The circuit of this model is special, the quiescent current is not low, but the operating temperature is not high. The sound is clear, sharp and not frizzy. When paired with 6H3 tube, the vocal string music is charming and friendly to ears. Designed output power is 40W+40W at 6Ω, and the distortion is THD0.05%. Pushing general bookshelves or floor-standing speakers can achieve satisfactory results. As a comparative LM3886 power amplifier chip, 68W power is obtained under a 4-ohm load, and the power is only 38W under an 8Ω load, which is much lower than the 45W of STK407-050. This machine is equipped with Bluetooth 5.0 and USB input. The shell of the machine is made of CNC aluminum alloy, and the middle heat sink is thick enough to dissipate heat, and the transformer cover can ensure as little interference as possible. The appearance of the whole machine is exquisite and compact, which is convenient to use. There are 3-way to input, that is, Bluetooth, USB and wired inputs. Specifications: – Model: 407-050 – Channel: 2 – Impedance: 4-8Ω – Amplifier type: Hifi power amp – APP: Not support – Working method: Class AB – Output Power: 40W+40W/6Ω, distortion 0.05% – Frequency response: 20Hz to 20KHz – Bluetooth solution: QC3034 (Bluetooth 5.0 for APT-X. USB can be used as an external USB sound card to connect to a computer) – Dynamic range: >98 dB – Machine size: 152*109*261MM – Channel: 2 – Impedance: 4-8Ω – Amplifier type: Hifi power amp Package Included: – 1 x Set of Bluetooth Amplifier Note: – It is assembled and ready to use. Payment Terms 1.We accept PayPal only. 2.All major credit cards are accepted through secure payment processor PayPal. 3.Payment must be received within 7 business days of auction closing. 4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay. Shipping Terms – For remote regions, we will charge your extra shipping costs. Usually it cost about 35USD-50USD. We will contact you after your payment. Thanks for your understanding. Return Terms 1. If you receive defective item, please kindly notify us within 14 days. We will guide you the returning instruction for replacement or refund. 2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund, all return shipping fee should paid by the buyer unless item DOA. 3. We reserve the right to refuse any returns for objective reasons. Custom Duties & Taxes 1. Import duties, taxes, and charges are not included in the item price or postage cost. These charges are the buyer’s responsibility. 2. Avoiding some unnecessary trouble, please check with your country’s customs office to inform us what we should declare its value before shipping. Feedback 1. If you are dissatisfied for any reason, please don’t be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers. 2. If you are satisfied with the product you received, please kindly leave us a positive feedback and 5 star DSR. If there is any problem of your order, please feel free to contact us firstly, we are responsible and credible seller, will follow it for you asap. On Jan-06-21 at 20:16:29 PST, seller added the following information: