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Pre-Amplifier Speaker Distributor, 2 In 8 Out Switcher, Speaker Comparator, Signal Booster, With Volume Control And Earphone 16-600 ohms / Monitor Function 2-Channel Signal Switching Input

Pre-Amplifier Speaker Distributor, 2 In 8 Out Switcher, Speaker Comparator, Signal Booster, With Volume Control And Earphone 16-600 ohms / Monitor Function 2-Channel Signal Switching Input

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Product function introduction 1. The B981 is a powerful 8-channel high-power pre-amplifier which has dual-sound input with a selector switch.... Lesen Sie mehr

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£45.99

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    Beschreibung

    Product function introduction
    1. The B981 is a powerful 8-channel high-power pre-amplifier which has dual-sound input with a selector switch.
    2. The product provides an independent 3.5mm stereo earphone jack which can drive a variety of high-impedance professional monitor earphones well.
    3. Each channel can drive 16ohm -600 ohm and provide 8 stereo channels for output.
    4. There are four independent volume knob adjustments to control the 8-channel for simultaneous level signal output, presenting the rich sound quality, well-balanced bass, clear high frequency, and no other signal popping phenomenon, and ensuring lossless and undistributed sound.
    5. It can provide +20dB high gain through any line level signal source, allowing running through longer cable lines or "buffering" to solve low volume problems.
    6. You can use the product to connect line level signal source and power amplifier as a volume controller.
    7. The RCA socket can match almost all other product interfaces. The product is powered by an AC AC9V transformer.

    Product parameters
    1. Input impedance: 100K Ohm
    2. Input level: +14 dBV
    3. Output impedance: 47 Ohm per output channel
    4. Frequency response: 20 Hz - 20K Hz
    5. Signal to noise ratio: Above 107dB
    6. Total harmonic distortion: Less than 0.08%
    7. Inter-modulation distortion: Less than 0.01%
    8. Signal input: Two sets of stereo RCA socket
    9. Signal output: Six sets of stereo RCA connectors and two sets of 3.5mm stereo earphone jack
    10. Product power supply: AC 9V-12V
    11. 4 independent channel stereo level volume output controlling knobs
    12. Product net weight: 0.68kg
    13. Packaged product weight: 0.82g
    15. Product dimensions: Length 145mm x width 112mm x height 42mm
    16. Packing dimensions: Length 260mm x width 185mm x height 65mm

    Kit list
    1. B981 Professional 8-channel preamp signal-amplifier speaker distributor x 1
    2. AC9V Power adapter (US standard) line length 100CM x 1


    Specification:
    Package Weight
    One Package Weight 0.89kgs / 1.97lb
    One Package Size 26cm * 18.5cm * 6.5cm / 10.24inch * 7.28inch * 2.56inch
    Qty per Carton 18
    Carton Weight 15.00kgs / 33.07lb
    Carton Size 68cm * 48cm * 17cm / 26.77inch * 18.9inch * 6.69inch
    Loading Container 20GP: 480 cartons * 18 pcs = 8640 pcs
    40HQ: 1115 cartons * 18 pcs = 20070 pcs

    Spezifikationen

    • Product Assurance: Quality Standards

    Pro und Kontra

    • Sustainably produced
    • Ideal for everyday use

    Returns & Delivery

    When will my order be delivered?

    At Mira Sales, we provide accurate delivery estimates based on your address and the chosen carrier. To view your expected delivery date, please add the product to your cart—your exact options will appear instantly.

    How are delivery times calculated?

    We work with multiple trusted carriers. Delivery estimates are based on:

    • Your shipping address
    • Carrier availability in your region
    • The shipping service you select (standard, express, priority, etc.)

    Processing time, usually 1–2 business days

    Customs clearance for international orders (if applicable)

    Our system automatically shows you the best estimated arrival date before checkout.

    Do you offer tracking?

    Yes. Every order includes a tracking number once it is dispatched. You’ll receive it automatically via email or SMS (if provided). Tracking updates allow you to see each step of your order’s journey.

    Can I return my product?

    Yes, you can return your product. At Mira Sales, we want you to feel confident and satisfied with your purchase. If an item arrives damaged, faulty, or not as described, we will happily offer a replacement or refund. Contact our support team via support@mirasales.com

    To speed up resolutions, we kindly request that you provide photo or video evidence of the issue.

    What can I do if my item (or part of it) is damaged?

    At Mira Sales, we want every order to arrive in perfect condition. If your item—or any part of it—arrives damaged, we will resolve the issue quickly and fairly.

    Eligibility for Returns

    You may request a return if:

    • The product arrives damaged, defective, or not working
    • You receive the wrong item
    • The item is not as described on our website

    To process your return quickly, we may ask for a photo or video showing the issue.

    Do I Need to Return the Item?

    In most cases, you will not need to return the damaged item, especially when photo/video proof is sufficient.

    If a return is required, Mira Sales will provide clear instructions and, when applicable, a prepaid return label.

    We’re Here to Help

    Our goal is to resolve all damage-related issues quickly, fairly, and with minimal inconvenience to you.

    You may contact us anytime at: support@mirasales.com

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