monoprice 50 watt stereo hybrid tube amplifier Cayin HA-2A
SKU: 10008237117
monoprice 50 watt stereo hybrid tube amplifier

monoprice 50 watt stereo hybrid tube amplifier Cayin HA-2A

$20.05 $22.28
Save 10%
No.2 Bestseller on banglarkotha24.com >

Pay in installments of $5.57 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 2 - Jul 7

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

monoprice 50 watt stereo hybrid tube amplifier Cayin HA-2ACayin HA 2A Desktop Tube Headphone Amplifier Vintage Tube Character Single Ended Class A Precision Craftsmanship The Cayin HA 2A is a desktop tube headphone amplifier meticulously engineered to deliver authentic vintage tube sound with modern refinement. Combining classic NOS tubes, single ended Class A design, and hand wired point to point circuitry, the HA 2A produces rich detail, expansive soundstage, and the warm, mellow timbre that audiophiles

Cayin HA-2A | Desktop Tube Headphone Amplifier

Vintage Tube Character • Single-Ended Class A • Precision Craftsmanship

The Cayin HA-2A is a desktop tube headphone amplifier meticulously engineered to deliver authentic vintage tube sound with modern refinement. Combining classic NOS tubes, single-ended Class A design, and hand-wired point-to-point circuitry, the HA-2A produces rich detail, expansive soundstage, and the warm, mellow timbre that audiophiles crave.

Vintage NOS Tube Architecture

The HA-2A utilizes carefully selected five vintage NOS tubes for a luxurious and musical listening experience:

  • SE Class A Power Amplification: Matched pair of Amperex 17BF11 NOS dual pentode composite tubes

  • Voltage Amplification: Matched pair of Amperex ECF82/6U8 NOS high-gain pentode / medium-gain triode composite tubes

  • Pre-Amp Rectification: Single RCA 17AX4GT NOS tube for plate power supply

This precise tube selection preserves the unique tonal character, delivering the mellow warmth, dynamic expression, and musicality of classic tube amplification.

Single-Ended Class A Design

Every element of the HA-2A — from component selection to final wiring — is tuned for single-ended Class A operation.
This design maximizes the natural attributes of the tubes, offering:

  • Smooth, rich tonal response

  • Wide, immersive soundstage

  • Low distortion with effortless dynamics

Optimized Headphone Outputs

The HA-2A provides multiple headphone output options for versatile listening:

  • 4-Pin XLR: Maximum power delivery for high-end headphones

  • 4.4mm Balanced: Compatible with sensitive IEMs and balanced headphones

  • 6.3mm Single-Ended: Standard desktop headphone connectivity

Impedance Matching: Low, Medium, or High to perfectly match your headphones for optimal performance.

Reference-Grade Craftsmanship

  • Point-to-Point Wiring: Hand-wired circuits ensure the shortest signal path and maximum efficiency

  • 60-Second Startup Delay Circuit: Protects tubes and reduces warm-up noise

  • In-House Transformers: Designed and wound by Cayin engineers for optimal shielding and power output

Every HA-2A unit is assembled with care, preserving the integrity of its tubes and the purity of its sound.

Exquisite Desktop Design

The HA-2A is not only sonically impressive but also visually refined:

  • Dual retro VU meters

  • Protective tube cage

  • Premium aluminum chassis with uniform finish and elegant contours

  • Seamlessly integrates with the Cayin i-series portfolio

Why Choose the Cayin HA-2A

  • Authentic vintage tube sound with NOS tubes

  • Single-ended Class A design for warm, musical output

  • Versatile, impedance-matched headphone outputs

  • Hand-wired point-to-point circuitry and in-house transformers

  • Elegant desktop design with retro VU meters and protective tube cage

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 10008237117

Discover Niche Categories That Outsell monoprice 50 watt stereo hybrid tube amplifier

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 164 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
Y
Verified Purchase
Yady Rubi
Lowell, US
★★★★★ 5
Compatible
Color: Omni S1 Pro 17P
Parts work perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 16, 2025
T
Verified Purchase
the5thHorseman
Omaha, US
★★★★★ 5
Exactly what I wanted
This robo-vac works great! Most of the well known products in this category are full of crap that you don't need, or is even spying on you. I'm sorry, but my appliances don't need WIFI, camera's, mapping features and an internet connection to send them to... who??? This unit has everything you need and nothing you don't. I bought it because my dog is shedding like crazy and leaving my floor looking like it needs a haircut. The Eufy has done a great job of picking up ALL of the dog hair, dirt and small particles, and has yet to become clogged. The floor it is cleaning is a linoleum floor that has a low pile rug and it cleans both very well. The Eufy runs for well over an hour and one of the best things about it.... it is VERY quiet. Emptying the dust bin is super easy, and cleaning the filters is very easy as well. The Eufy comes with extra side brushes and an extra roller. I have not had to change any of them yet, but maintenance and cleaning of these items has been made very easy as well. It comes with a well thought out cleaning tool that makes cleaning easy. It has a cutter on it, similar to an envelope opener, that gets under hair that wraps around the roller and and slices it off. This is a problem with ANY vacuum that has a roller, and this tool works very well for this. To be honest, I wasn't sure what to expect at the price point, but the Eufy works better than the older I-robot I had some time ago and is far easier to maintain. The very first time it ran it was learning the room and did not make it back to the dock, but every use since, it has always gotten back and docked. If you want a robot vac that you can start with a remote or program a schedule in, without WIFI, camera's, and yet another app to install on your phone, I highly recommend the Eufy... you won't be disappointed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 22, 2023
I
Verified Purchase
iamoverrated
Los Angeles, US
★★★★★ 5
The Silent, Obsessive Predator in the War on Filth: A Dispatch on the eufy L60
Size: eufy L60 SES (renewed)
Dateline: My Living Room Floor, a Battlefield of Invisible Grime, 1:30 AM. The house is quiet. The world is asleep. But in the darkness, a hunter stirs. It detaches itself from its charging dock with a soft, electronic whir, its single laser-eye pulsing with a cool, blue light. This is not a vacuum cleaner. This is the eufy L60, an autonomous, dirt-seeking assassin, and it is beginning its nightly patrol. To call what this machine does "mapping" is a gross understatement. This is military-grade reconnaissance. On its maiden voyage, the L60 didn't just bumble around bumping into things. No, it conducted a systematic, laser-guided survey of my entire living space, rendering a perfect, eerily accurate floor plan on my phone. It knows the terrain. It has identified the chair legs, the table supports, the treacherous geography of the area rug. It has logged the coordinates of every obstacle. It is operating with a level of tactical awareness that would make a special forces operative blush. And then, the hunt begins. With 5,000 Pascals of raw, unadulterated suction power, it doesn't just "pick up" dirt; it inhales it. It moves in straight, deliberate, overlapping lines, a methodical grid search that leaves no square inch un-scoured. Dust, crumbs, the detritus of a life lived with a certain amount of reckless abandon—all of it vanishes into its maw. And hair… good heavens, the hair. It attacks strands of human and pet hair with a special kind of ferocity, its "Hair Detangling Technology" acting like a tiny, internal machete, chopping the stuff up before it can choke the machinery. It is a savage and beautiful solution to an ancient and vexing problem. But the true genius, the feature that elevates this from a clever gadget to a genuine domestic revolution, is the self-empty station. This monolith is not just a charger; it is the L60's base of operations. After its patrol is complete, the little predator dutifully returns to the dock. And then you hear it—a ferocious, ten-second roar, like a miniature jet engine firing up. That is the sound of every speck of filth the robot has collected being violently sucked from its belly into a sealed bag within the tower. The result? You don't have to do a thing. For up to 60 days, this silent partnership continues. The robot hunts, it cleans, it reports back to its base, it unloads its grim bounty, and it prepares for the next mission. You are completely removed from the dirtiest part of the process. This eufy L60 is not just an appliance; it's a quantum leap. It is a quiet, frighteningly intelligent, and ruthlessly efficient solution to the endless, soul-crushing war against domestic filth. It maps its battlefield with perfect precision, it hunts its prey with relentless power, and it handles its own dirty work. It is, without a doubt, the single greatest ally you could ever have in the quest for a clean floor. Absolutely amazing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 10, 2024
J
Verified Purchase
J. Rathbun
Grantham, US
★★★★★ 1
Waste of money
Size: eufy L60 SES (renewed)
This vacuum is a total let down. It cleans well enough however it has lost its network connection every month since I have owned it. Not only do I have to take 20 minutes to get it to finally reconnect, but it also wipes out the map that is stored. So I can’t clean until it re-maps the floor, I have to re-divide the rooms, and ultimately can’t clean for close to 2 hours when I need it most. Don’t waste your time with this unit unless you want to deal with network issues every month
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
F
Verified Purchase
Frankie Orozco
Pawtucket, US
★★★★★ 5
Great Price, Great Quality, Save your money from other over priced Brands
I absolutely love this! Just as good as any of the more expensive brands! It has great cleaning abilities and is able to get in every corner and crevice. This quality is amazing and it has a mapping feature with a remote to set it up. Powerful suction, connects to the wifi easily and has a perfect spin rate so it doesn't miss a thing! My biggest issue is that I wasn't using it as much as I should! Make sure you set up a timer and it will take care of the rest!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 8, 2025

recommand products

Sunlite All Terrian Nylon Composite 9/16 Inch Bicycle Platform Flat Pe – Roy's Bikes
28.71
Gibraltar 6711DD Direct Drive Single Bass Drum Pedal
21.54
Spank Spike Pedals
22.58
ROCKBROS MTB Pedals Platform Bike Pedal Aluminum 9/16" Bicycle Pedal N
21.61
Electro-Harmonix Big Muff Pi 2 Fuzz Pedal – Chicago Music Exchange
28.64