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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
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Description
HELIX DSP PRO MK3Inputs 8 x RCA RCA 8 x Highlevel speaker input 1 x Optical SPDIF (12 96 kHz) 1 x Coax SPDIF (12 192 kHz) 1 x Remote In Input Sensitivity RCA RCA 2 3 4 Volts Highlevel 4 7 11 or 12 22 32 Volts Outputs 10 x RCA RCA 1 x Remote Out Output Voltage 8 Volts Frequency Response 10 Hz 44,000 Hz DSP Resolution 64 Bit DSP Power 2 x 295 MHz (2. 4 billion MAC operations second) Sampling Rate 96 kHz DSP Type 2 x Audio signal processor Signal Converters A D: AKM
| Inputs | 8 x RCA / RCA 8 x Highlevel speaker input 1 x Optical SPDIF (12 - 96 kHz) 1 x Coax SPDIF (12 - 192 kHz) 1 x Remote In |
| Input Sensitivity | RCA / RCA 2 / 3 / 4 Volts Highlevel 4 / 7 / 11 or 12 / 22 / 32 Volts |
| Outputs | 10 x RCA / RCA 1 x Remote Out |
| Output Voltage | 8 Volts |
| Frequency Response | 10 Hz - 44,000 Hz |
| DSP Resolution | 64 Bit |
| DSP Power | 2 x 295 MHz (2.4 billion MAC operations/second) |
| Sampling Rate | 96 kHz |
| DSP Type | 2 x Audio signal processor |
| Signal Converters | A/D: AKM Velvet Sound 32 Bit D/A: AKM Velvet Sound 32 Bit |
| Signal-to-Noise Ratio Digital Input | 116 dB (A-weighted) |
| Signal-to-Noise Ratio Analog Input | 111 dB (A-weighted) |
| Total Harmonic Distortion (THD+N) Digital Input | < 0.0005 % |
| Total Harmonic Distortion (THD+N) Analog Input | < 0.001 % |
| IM Distortion (IMD) Digital Input | < 0.002 % |
| IM Distortion (IMD) Analog Input | < 0.004 % |
| Crosstalk | > 90 dB |
| Operating Voltage | 9.6 - 18 Volts (max. 5 sec. down to 6 Volts) |
| Power Rating | DC 12 V ? 3 A max. |
| Current Draw | 650 mA |
| Max. Remote Output Current | 500 mA |
| Additional Features | HEC slot, Ground lift switch, Smart Control Port, 32 Bit CoProcessor, ADEP.3 circuit, Auto Remote switch |
| Dimensions (H x W x D) | 40 x 177 x 150 mm / 1.58 x 6.97 x 5.91" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
easy to access interior with many different pockets
Color: Desert
The back pack is awsome. It's soft, elegant and fits a lot of items...can be used in lieu of small carry on. I liked the openness of the interior area. The inside utility clear pouch was only 1 pouch, not 3 like the video. But I like it better with 1 pouch which leaves me options for larger items.
The shoe pouch can be used for other items instead of shoes, if your interested.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Pretty good
Color: Grey
I took this with me on a recent trip and it handled everything from airport security to long walks with ease. The 30‑liter capacity is generous without feeling bulky — it fits under airline seats and in overhead bins effortlessly.
What really stands out is the organization. There are thoughtful compartments for clothes, shoes, a water bottle, and even a separate space for toiletries or gym gear. The dedicated laptop sleeve fits my device securely, and the smaller pockets keep chargers, pens, and accessories neatly sorted so nothing gets lost.
The padded straps and back panel make it comfortable for extended wear, and I didn’t feel any strain even when the bag was full. The material feels durable and water‑resistant, so I wasn’t worried when I got caught in light rain. The sleek design is versatile enough for travel, work, gym, or everyday use.
Overall this backpack delivers excellent value and convenience. If you want a reliable, well‑organized bag for travel or daily life, this is definitely worth considering. I’ll be using mine for many trips to come!
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Reviewed in the United States on March 3, 2026
★★★★★ 5
Perfect Personal Item , travel Size Bagpack!
Color: Black, Color: Black
I’m so happy with this travel backpack!! Roomy and you can pack a pair of shoes also underneath. I recently went on a Cruise and had to fly into Florida coming from California, two different climates. I easily pulled off my sweats and shoes and slipped into a pair shorts and swimsuit and flip flops at the airport , because I had it all and 2 of my 3-1-1 bags etc. Another great feature is the see thru zip compartments ! Endless pockets and this bag is consider that “Personal Item” that stows under the seat in front of you. Quality is great and it’s a beautiful bag! Price , amazing Value!
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Reviewed in the United States on January 24, 2026
★★★★★ 5
PERFECT BACKPACK!
Color: Chocolate
I cant say enough about this backpack. First of all the brown color is super cute. Its incredibly spacious, great for travel, so many compartments.... love the space for shoes. Just perfect
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Reviewed in the United States on May 21, 2026
★★★★★ 4
Nice personal item for travel
Color: Black
I recently used this bag on my cruise. It fits perfectly under the seat for a personal item. The quality is nice and the bag is spacious to back many items. The only thing I didn’t like is that I kept having to adjust the straps due to them coming loose.
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Reviewed in the United States on January 27, 2026