Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Nalbantov OC-2 eXtreme with Preamplifier – The boss of the octave effectsDescription Nalbantov OC 2 eXtreme octave effect suitable for clarinet, sax, bagpipe, recorder, wooden flute, kaval and a wide variety of musical instruments Nalbantov OC 2 eXtreme lets users to improve their instrument sound by adding two additional tones to the main signal. You can easily mix the produced sound with one or two octaves below the original signal. Each tone has a separate volume control. The main signal is perfectly followed from the
Description
Nalbantov OC-2 eXtreme octave effect
suitable for clarinet, sax, bagpipe, recorder, wooden flute, kaval
and a wide variety of musical instruments
Nalbantov OC-2 eXtreme lets users to improve their instrument sound by adding two additional tones to the main signal. You can easily mix the produced sound with one or two octaves below the original signal. Each tone has a separate volume control. The main signal is perfectly followed from the produced tones without any delay.
Nalbantov OC-2 eXtreme has specially designed high-end preamplifier plus gain control which can be used with any kind of pickup systems. Nalbantov OC-2 eXtreme is not a digital pitch shifter. Instead of a synthetic sound, you will be pleased by organic analog effect with clear and natural sound.
Many other octave effects are made especially for guitars and they are unable to capture all tones from other instruments. Nalbantov OC-2 eXtreme has extended octaves for wind instruments which has higher frequency diapason. You can easily use it with a wide variety of musical instruments.
You will find out other unique futures like clip indicator, ultra-low noise output and very low battery consumption than other product on the market, also unique and compact design with convenient belt clip.
Package includes:
- Nalbantov OC-2 eXtreme
- User’s manual
- Warranty – 3 years (1 year guarantee plus 2 years when you register the product online)
Top reasons to buy Nalbantov OC-2 eXtreme:
- Two extended octaves
- Crystal clear sound and ultra-low noise output
- Separate OCT. 1 and OCT. 2 volume controls
- Direct Level volume control
- Specially designed high-end preamplifier plus gain control and clip indicator
-
Effect button with two positions:
- Effect and Preamplifier
- Preamplifier only
- Very low battery consumption
- Screwless design battery cover
- Unique and compact design
- Durable stainless steel panels, laser etched
- Lightweight with solid belt clip
- Wireless systems compatible
- Universal compatibility and perfect mobility on stage
Specifications:
- Power: 9V battery or AC adapter
- Consumption Current Draw: 2.8mA at 9V (18 times longer usage, compared to other reputation octave effects with 50mA consumption)
- Controls: Preamp gain knob, Effect button, Direct Level knob, Octave 1 knob, Octave 2 knob, On/Off switch
-
Indicators:
- On/Off indicator (blue led – serves also as battery check indicator)
- Clip indicator (red led)
-
Connectors:
- Instrument IN – audio jack 3.5mm (1/8″) Mono
- OUTPUT – audio jack 3.5mm (1/8″) Mono
- DC adapter socket (DC 9V)
- Compatibility: Universal, including wireless systems
- Input Impedance: 1 MΩ
- Output Impedance: 1 kΩ
- Size: 67mm (2.64”) W x 27mm (1.06”) / 43mm (1.70”) incl. knobs D x 110mm (4.33”) H
- Weight: Only 176g (6.20 oz.) without battery
- Options: AC adapter (not included)
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
4.7 ★★★★★
Based on 2178 reviews
Sort
Product Reviews
★★★★★ 5
Very Comfortable
Size: 10.5, Color: Black Grainy
This slip on is superb. Very comfortable, light, quality material that makes it great for all day wear and driving around experience
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 12, 2025
★★★★★ 3
Quality Shoe, but slight design issue
Size: 10, Color: Tan Napa, Size: 10, Color: Tan Napa
I like the way these fit and feel. I normally wear a size 10, and these are a 10. Very comfortable to walk in. I think they're stylish enough to wear with jeans or chinos. The leather is nice quality. However, the issue I am noticing, only a few days into wearing these (I've worn 3 times) is that the bottom material doesn't come forward far enough. The tip of the shoe juts out and as you walk the tip rolls forward on to the ground surface and is wearing away at the leather. I mean, I've only wore these 3 times and I am getting major concerns about their durability. I would choose another shoe if I could go back, as these are an indoor shoe only as they're currently designed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 29, 2024
★★★★★ 4
Nice looking
Size: 11, Color: Cognac Grainy
I normally wear an 11.5 (including other Marc Jacob’s- including this make from 2024). The shoes are a pretty soft leather. I had to return for a size 11 which feels slightly tight but now, through experience, I know will stretch. I wear these shoes almost every day in black or brown They look great. Note, these shoes (because all leather) wear out relatively quickly, especially the front. I keep a fake leather Pair (almost identical looking) which are not nearly as comfortable (I don’t take walks in them) but look better for dinners etc.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 22, 2025
★★★★★ 5
The "Lazy Professional" Look: Is Hands-Free Luxury Actually Real?
Size: 9.5, Color: Black Napa Leather
Living down here in Florida, my footwear needs are pretty specific. It’s hot, it’s humid, and I spent half my life rushing from the car into work or a meeting. I’ve reached that age where I value efficiency just as much as style—maybe more. I’ve been eyeing the Marc Joseph New York Hands-Free Slip-on Penny Loafers for a while, and after putting them through the wringer, here is the honest truth from someone who just wants to look sharp without the hassle.
The "Just Step-In" Reality
Look, the big selling point here is the "Hands-Free" tech. We’ve all seen the commercials for those athletic slip-ins, but finding that in a legitimate leather penny loafer is a different game. Does it work? Yes, surprisingly well. The heel counter is firm enough that it doesn’t collapse when you slide your foot in, but it doesn’t feel like a piece of plastic digging into your Achilles once you’re in. For those of us who are tired of bending over or hunting for a shoehorn every morning, this is a genuine quality-of-life upgrade.
The Florida Factor: Comfort and Style
The leather is actual calfskin (on most models), which is a must for the Florida heat. Synthetic shoes turn into a sauna within ten minutes, but these breathe reasonably well. The aesthetic is classic—it’s a "professor" shoe through and through. You can wear them with chinos and a blazer for work or throw them on with some nice jeans for a weekend lunch.
Inside, they’ve got a gel heel insert and a padded footbed. It’s not quite "walking on a cloud"—let’s not over-hype it—but it’s a massive step up from the hard, flat soles of traditional dress loafers. I’ve spent four hours on my feet lecturing, and my arches didn’t hate me by the end of the day.
The Sizing Gamble
Here’s where you need to be careful. The consensus from other guys (and my own experience) is that the sizing is a bit of a coin toss. They tend to run a little large and sometimes wide. If you have narrow feet, you might find the sides "gaping" or flaring out when you walk, which kills the sleek look. I’d recommend ordering a half-size down if you’re usually between sizes.
The Breakdown
The Pros:
True Hands-Free: You can actually put these on while holding a coffee and a briefcase. No hands needed.
Legit Materials: The calf leather feels premium and smells like the real deal.
Versatility: Perfectly bridges the gap between a "car shoe" and a formal loafer.
Comfort: The gel insert makes a noticeable difference for long-duration wear.
The Cons:
Sizing Inconsistency: They can run wide, leading to some "heel slip" if you don't get the perfect fit.
Break-in Period: The heel is stiff by design (to allow for the slip-on feature), so expect a day or two of minor stiffness.
Price Point: They aren't cheap, though often on sale.
Value for Money
Are they worth it? If you’re comparing them to high-end Italian brands that cost $500, these are an absolute steal. They look 90% as good for a fraction of the price. However, if you're used to $60 mall shoes, the jump to $150+ might feel steep until you realize you’re paying for the convenience of never having to touch your shoes to put them on. For a daily driver in a professional setting, the value is definitely there.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
★★★★★ 5
Step In Look Good
Size: 11.5, Color: Cognac Napa Leather
I am wearing these shoes as I write this review, and they look and feel great. I have a bit of a disability with drop foot on the right leg and bilateral neuropathy and have been wearing step in shoes for about 10 years. But the first company that introduced leather dress and casual shoes stopped making them and now only makes sport and casual shoes. So I have been searching for some that meet my need for shoes like this and this company has given me three pairs, so far. Easy to get into, comfortable to wear, and good looking. And they take polish very well, too. (Remember how to do that?). We may buy another pair or two in different styles as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026