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Description
One Systems ONE.SL12 Silver Series Outdoor Rated Loudspeaker - 12"One Systems ONE. SL12 Silver Series Loudspeakers: A high performance loudspeaker suited to both indoor and outdoor use. Weatherproof direct radiating 12" two way system with 60 x 40 HF coverage in rotomolded HDPE enclosure. 400 watts continuous power handling. 55 18,000 Hz frequency response. 8 ohm operation. IP 55 weather rated. Input weather cover with IP 68 rated gland nut. Net weight 26 kg 57. 3 lbs. Features High performance 12 inch two way
One Systems ONE.SL12 Silver Series Loudspeakers: A high-performance loudspeaker suited to both indoor and outdoor use.
Weatherproof direct-radiating 12" two-way system with 60 x 40 HF coverage in rotomolded HDPE enclosure. 400 watts continuous power handling. 55- 18,000 Hz frequency response. 8-ohm operation. IP 55 weather rated. Input weather cover with IP 68-rated gland nut. Net weight 26 kg / 57.3 lbs.
Features
- High-performance 12-inch two-way speaker that provides high intelligibility, musical fidelity and fullrange response
- 400 watts continuous, 1,600 watts peak power handling
- Rotatable 60o x 40o longthrow horn
- Includes a robust structural steel U-Bracket with duallayer, zinc-rich powder coating
- 3-stage "Rain Shield" grille
- 10 x M10 Stainless steel rigging points provide safety and high corrosion resistance
- IP 55 direct weather rating permits use for inland outdoor applications
- Input weather cover with IP 68-rated gland nut
- Optional SL.PMT pole mount bracket available
Specifications
- Frequency Response: 55 - 18,000 Hz + 3 dB
- Frequency Range: 45 - 20,000 Hz -10 dB
- Power Handling: 400 watts continuous, 800 watts program, 1,600 watts peak
- Sensitivity (1 watt @1 meter): 98 dB
- Calculated Output Capability: 124 dB continuous, 130 dB peak
- Coverage (H x V): 60o x 40o Rotatable
- Nominal Impedance: 8 ohms
- Input Connection: Barrier strip
- LF Transducer: 12 in / 305 mm with 3 in voice coil
- HF Transducer: 2.5 in / 63 mm with titanium diaphragm
- Dimensions (H x W x D), mm: 719.7 x 448.2 x 372.2 mm
- Dimensions (H x W x D), in: 28.3 x 17.6 x 14.7 in
- Net Weight: 26 kg / 57.3 lb
- Direct Weather Performance: IEC 60529 / IP 55
- Finish: Gray
- Recommended High-Pass: 55 Hz, 24 dB Butterworth
- EASE Data: www.onesystems.com/ease-data
One Systems Silver Series Loudspeakers: A loudspeaker series for even extreme outdoor use.
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Exchange/Return Notes
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4.3 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Good purchase
Size: 4 Ounce (Pack of 1)
Good product
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Transformative!
Format: Paperback
This book is well written and extremely informative! It has definitely helped me to take the energy work I do to a whole new level I actually recommend all the books in this series!
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Reviewed in the United States on May 8, 2026
★★★★★ 5
A Healer's Book
Format: Paperback
In my opinion, this book is most suited to the "healers". I am only part-way through it right now, but thoroughly agree with what I have read so far because I have either experienced it or it makes logical sense from where I am on my personal journey. The book is slow reading, not difficult, but slow if you really want to understand what Barbara has written as she combines science with metaphysical beliefs. I cannot compare this book to her first book because, although I purchased her first book years ago, I honestly have not read it yet. "Light Emerging" was recommended by my master teacher. Barbara has spent significant time studying the auric fields of people vs. behavior.
I plan to return to this review at a later time and update it with additional information, but I see it as a valuable resource for a healer (for both healing self and healing others). By the way, if you don't know it already, healing is not limited to the physical body. There is emotional healing and spiritual healing as well. ALL are important. The healthiest people are those who are balanced on all levels.
This 342-page book explains a lot about energy, both scientifically and metaphysically. If you have already done significant reading, this book expands on a lot of it, such as explaining the chakras and the movement of energy throughout the system. As Barbara goes through each chakra, she explains how you likely behave if that chakra is fully functioning or if it is blocked. Quite a few illustrations within the book visually show you the energy movements within people who exhibit certain types of behavior, and the movements of energy within groups of 2 people exchanging energies at certain levels. This is one way in which this book is different from many other chakra and energy vibrational books. An example is an illustration of a couple in dispute and how they energetically resolved the dispute. Barbara has the developed ability to see the auric fields, as some do, and she supplements her writing with experiences she has had with clients. In this instance, she explains the energy movement in 3 stages of the therapy between the couple, as well as illustrates it in picture form, so you can follow what is happening energetically between the couple throughout the process.
Here is a little tid-bit for you from the book: Barbara mentions that Dr. Robert Beck, a nuclear physicist, found that all healers exhibit the brain-wave patterns of 7.8 - 8 Hz while they are giving healings, the same fluctuation of the earth's magnetic energy field (the Schumann waves). The assumption is that the healers are synching up with the earth's magnetic field when doing healing. Dr. John Zimmerman, founder and president of Bio-Electro-Magnetics Institute, found through additional research, that once healers have linked with the Schumann waves, the right and left hemispheres of their brain have become balanced with each other and show a 7.8 - 8 Hz alpha rhythm. After they link with the patient for some time through laying on of hands, they are able to link the client in with the same earth's energy magnetic pulsations.
Good book. If you are into metaphysical energy and healing, I think you will enjoy it and find it very informative. If you are NOT into metaphysical energy and healing, you will likely not understand it and may get nothing from it, especially if you are not open to this area of study.
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Reviewed in the United States on August 31, 2008
★★★★★ 5
Sequel to Hands of Light
Format: Paperback
Hands of Light has been widely recognized as the foundational text merging the Eastern approach to healing through cleansing and balancing a person's chakras and auras with the Western approach to healing through re-tuning a person's electromagnetic frequencies by applying the principles of quantum physics.
Barbara's sequel, Light Emerging, further amplifies and extends these concepts. Specifically, she elaborates on the applications of the Holographic Model, the Creative Process and the mechanisms of Spiritual Guidance. She defines and diagrams the four dimensions of humanity at the Physical, Auric, Harac and Core Star levels. Through these four dimensions, average humans, once healed and balanced, can mature to be channels of energy, connecting heaven to earth vertically, and connecting all of humanity horizontally. The whole of Barbara's teaching can be incorporated into these four simple, clear and deeply profound diagrams.
Since her previous book, Barbara set aside her private practice to establish a four-year university-level program to train and accredit healing practitioners to apply these disciplines. This book incorporates the further insights and experiences she gained through developing her School. Light Emerging is written specifically to instruct readers on how to self-heal and to give readers a preview on the commitment required to becoming a healing practitioner. This book is not intended to replace her School's four-year degree in healing. Appendix C offers links to current lists of her practicing graduates, by city and state.
There is no duplication between her books. I personally benefited by reading and studying them side by side. I have also called a number of her graduates here in California and confirm they have both the meticulous training and proper motives to follow in Barbara Ann Brennon's footsteps.
No fiction here. This book exemplifies the theory and practice of genuine physical, psychological and spiritual healing, either through self-study or through a practitioner.
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Reviewed in the United States on August 24, 2011
★★★★★ 5
only you can initiate the healing response
Format: Kindle
We are all divine light and this book gives you the tools to access your own healing response to live your life in light and love.
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Reviewed in the United States on November 5, 2025