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Description
4 Input 2 Output Power Amplifier And Speaker Switcher Speaker Switch Splitter Comparator 300W Per Channel Without Loss Of Sound Quality, 4 In 2 OutProduct presentation Do you have 4 power amplifiers and 2 sets of speakers that need to be connected to each other? Do you need four amplifiers and two sets of speakers to get stuck? A powerful amplifier and audio switcher can solve these problems, 1. 4 power amplifiers push button select switch input,2 sets of stereo speakers push button select switch output (2 sets of speakers can be opened or closed independently) 2. sets of stereo speakers can
Product presentation：Do you have 4 power amplifiers and 2 sets of speakers that need to be connected to each other?
Do you need four amplifiers and two sets of speakers to get stuck?
A powerful amplifier and audio switcher can solve these problems,
1. 4 power amplifiers push-button select switch input,2 sets of stereo speakers push-button select switch output (2 sets of speakers can be opened or closed independently)
2. sets of stereo speakers can sound at the same time, you can also turn off one group of speakers or more groups of speakers individually, manually select the pushbutton switch
3. The power of each channel is 300W
4. Signal input provides vacuum tube power amplifier signal no-load protection function
5. manual selection of input and output switching, straight plug straight use, switching signal stability, between channels will not produce another dry close or noise
6. Compact design of solid metal shell, easy installation, the product does not need external power
7. simple installation: input and output plug and play easy installation, you can enjoy different audio experience
Product Parameter：
1. Compatible with all types of power amplifiers and speakers
2. Input/output accepts heavy-duty speaker wire or speaker pin wire through the terminal port
3. Connect the power amplifier to amplifier 1-2-3-4
4. Connect the loudspeaker to position A and B respectively
5. Turn on your power amplifier stereo device and the product requires no external power supply
6. Input: 4 sets of inputs (banana plug)
7. Output: 2 sets of output (banana plug)
8. Power: Up to 300W
9. Metal material, fine steel housing, compact size suitable for any system
10. Channel Power: Each channel supports up to 300W of power
11. Frequency response: 10Hz-50KHz
12. Net weight: 0.93 kg
13. Packed weight: 1.09 kg
14. Product size: Length 240mm x width 105mm x height 55mm
15. Packing size: Length 260mm x width 185mm x height 65mm
16. Kit list：4 input 2 output power amplifier and sound switcher loudspeaker switch distributor x 1
Specification:
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4.1 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Everyday Spiritual Inspiration
Format: Kindle
Not only is this book providing me with sacred wisdom for my daily meditation practice, I find I turn to it like a trusted friend to help me find wisdom when I am at a loss by looking in the section "Using Inspirational Passages to Change Negative Thinking.". The careful way that the source authors and scriptures are referenced is a great asset. This is a book that I will probably wear out and have to buy again before all is said and done.
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Reviewed in the United States on July 3, 2014
★★★★★ 5
a book that needed to be written!
Format: Kindle
Force of Nature is a wonderful book that needed to be written. A true -life adventure story that conveys the physical and emotional journey of a woman in her 50s who goes on a hike few dare try. The writing is incredibly sensory—full of everything she sees, feels, tastes and smells out in the wild. It’s a story of frustration and achievement, of triumphing over internal anxiousness and very real dangers and climbs. Beautiful writing, full of hope, great for book clubs and as a gift for nature-lovers. Hit the trail with Force of Nature!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 4
Enjoyable, entertaining, engrossing
Format: Kindle
The Three Women, their JMT trail name, is a delightful read. You experience the beauty of nature and the wonders seen in the trail. You also experience the fear and anxiety that come with making such a trek. The bonds of friendship and support between the three and also all the other through hikers. An amazing read, the perfect balance of nature, friendship, compassion, struggle, and determination. Immerse yourself in this well written book.
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Reviewed in the United States on April 23, 2024
★★★★★ 5
An epic adventure, page after page!
Format: Paperback
Many women dream of making this hike (I once did) but few lace up their boots and get on the trail. And even a tiny fraction of those who DO realize their goal, could capture the experience like Joan Griffin. I read several chapters a night and always looked forward to getting back on the trail with her from my rocking chair.
The grandeur of the sights, the wonder of seeing the world well above 8,000 feet ~ for 27 days ~ reads like a personal diary. Every perspective, high and low, is captured: the practical issues of carrying on even with a twisted ankle on Day 1, then blisters, surviving sudden weather changes, confronting inner doubts, securing essential food and water, and losing the camera enrich the book in an authentic style.
In between all this, the reader remembers that it all took place with 40 pound backpacks on their backs!
It's a magical but real-life journey with the inevitable personality differences of the Three Women, as well as their uniquely personal reasons to hike. As the brave heroes arrive to the finish line, one is aware of the power of grace that accompanied them all along.
Yes, this experience changed the hikers but it also changes the reader. Being aware of those who live curiously and courageously provides a kind of encouragement for us to do the same, even after age 50.
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Reviewed in the United States on October 12, 2024
★★★★★ 5
Inspirational Read
Format: Paperback, Format: Paperback
Griffin, J. M. (2023). Force of nature: Three women tackle the John Muir Trail. Black Rose Writing.
Joan Griffin loves exploring and lives in the Northern California foothills of the Sierra Nevada.
Five legs, 27 days, 195.9 miles, this is a memoir of three 50+ women hiking the John Muir Trail located in the Sierra Nevada Mountain range. Each day receives its own chapter providing a vivid description of the trail, challenges, and beauty. Walking created an "unpredictable reality," that was "bigger in every conceivable way than [her] imagination could have conjured." As you read through the story, you are transported to the trail, so vivid her recollections and descriptions of their experiences. She wore a necklace with the words strength, courage, and spirit; a mantra that served her well along the journey. Griffin found: "I found my very soul had acclimated to the natural world, and I was completely in tune with the Earth and the sky and the water surrounding me." Such an inspiring memoir!
This would be a good read for 50+ women who need a good dose of inspiration, those who like travel memoirs, and those interested in long-haul walking.
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Reviewed in the United States on October 23, 2024
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