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    Monoprice 50 Watt Stereo Hybrid Tube Amplifier with Bluetooth and 5-inch Select Speakers Bundle
    Product # 16155
    Out of Stock ETA: TBD


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    Amplifier Specifications
    Model 16153
    Frequency Response 20Hz ~ 20kHz ±2dB
    Total Harmonic Distortion ≤ 0.1%
    RMS Power Output (4-ohm load @1kHz) 53 watts/channel
    Peak Power Output (4-ohm load @1kHz) 75 watts/channel
    Output Impedance Range 4 ~ 16 ohms
    Input Impedance 47 kilohms
    Input Sensitivity 260mV
    Signal-to-Noise Ratio ≤ 88dB
    Treble Adjustment Range -10dB ~ +10dB
    Bass Adjustment Range -10dB ~ +10dB
    Input Voltage 100 ~ 120 VAC, 60 Hz
    Fuse Ratings F2AL / 125V
    Tube Types 2x 6N1 and 2x 6P15
    Bluetooth® Version 4.0 w/ Qualcomm® aptX™ audio codec
    Bluetooth Range Up to 32 feet (10 meters)
    Dimensions 11.3" x 12.0" x 5.9" (286 x 305 x 150 mm)
    Weight 11.2 lbs (5.1 kg)
    Speaker Specifications
    Model 13706
    Speaker Type 2-way with rear firing port
    Woofer 5.25" cone with rubber surround
    Tweeter 1" silk dome
    Frequency Response 70Hz ~ 20kHz ±20%
    Crossover Frequency 3.5kHz
    Nominal Impedance 6 ohms
    Max. Input Power 75 watts
    Sensitivity 83dB
    Dimensions (HxWxD) 9.9" x 6.1" x 10.5" (251 x 155 x 267 mm)
    Weight (each) 8.6 lbs. (3.95kg)

    Start typing your question and we'll check if it was already asked and answered. Learn More
    Browse 8 questions Browse 8 questions and 17 answers
    Has anyone had the opportunity to hear this amp with both the Retro and the 5 inch select speakers? I'm trying to choose which setup to buy and I would appreciate any input anyone has. I'm leaning towards the Retro speakers just because they have a smaller footprint and I plan to use this in my bedroom.
    Josh R on Mar 21, 2017
    Monoprice 50 Watt Stereo Hybrid Tube Amplifier with Bluetooth and 5-inch Select Speakers Bundle
    Monoprice 50 Watt Stereo Hybrid Tube Amplifier with Bluetooth and 5-inch Select Speakers Bundle
    Monoprice Select 5.25-Inch 2-Way Bookshelf Speakers (Pair), Black Finish
    Monoprice Select 5.25-Inch 2-Way Bookshelf Speakers (Pair), Black Finish
    Monoprice Retro Bookshelf Speakers 4-inch 2-way, Black (pair)
    Monoprice Retro Bookshelf Speakers 4-inch 2-way, Black (pair)
    Monoprice 50 Watt Stereo Hybrid Tube Amplifier with Bluetooth & Line Output
    Monoprice 50 Watt Stereo Hybrid Tube Amplifier with Bluetooth & Line Output
    Monoprice Tube Amp System with Bluetooth 50-watt Stereo Hybrid with Retro Speakers
    Monoprice Tube Amp System with Bluetooth 50-watt Stereo Hybrid with Retro Speakers
    BEST ANSWER: Josh, I'd recommend the 5" speakers. They have a higher sensitivity, which means they will play louder using less power. I also think the bigger driver will produce better results, even (or especially) at lower volumes. If the measurements are too big for your space that's one thing, but based on sound I'd lean toward the 5". Just imo.
    what application would this system be best used for?
    A shopper on Jun 29, 2017
    BEST ANSWER: It has Bluetooth and just a single RCA input. I love the small size. It's best for a stereo where you don't need a lot of connections. If you have vinyl, tape, CD, etc., you will be frustrated by the lack of inputs. I have my TV going into the RCA and I play music on Bluetooth. It's perfect for me.
    Was wondering what size room this would be good for?
    Daniel B on Jul 27, 2018
    BEST ANSWER: Don't know as the first two units they sent me were broken and incomplete, then the third time I tried to get one they couldn't fulfill the order and every time had to FIGHT to get my money back when I never got a complete or working product.
    Can you use the headphone jack and speakers at the same time or does the headphone jack cut out the speakers?
    Jay W on Mar 1, 2017
    BEST ANSWER: Thanks for your interest in this tube amp system. The headphone jack does defeat the internal power amp. To listen to the speakers you must unplug headphones.
    Since these are individually amped already could they be paired with the "50W Stereo Tube Amp with Bluetooth and 5-inch Select Speakers" (Product # 16155)?
    CJ S on Feb 14, 2017
    Monoprice 50 Watt Stereo Hybrid Tube Amplifier with Bluetooth and 5-inch Select Speakers Bundle
    Monoprice 50 Watt Stereo Hybrid Tube Amplifier with Bluetooth and 5-inch Select Speakers Bundle
    Monoprice 200 Watt Bi-Amped Bluetooth Bookshelf Speakers with USB
    Monoprice 200 Watt Bi-Amped Bluetooth Bookshelf Speakers with USB
    BEST ANSWER: There are no speaker level inputs on these speakers so you would have to use the pre-level output from the tube amp. I would look at the 13706 or 16074 speakers instead.
    Can I use this as a preamp to a 5.1 surround sound receiver?
    A shopper on Mar 14, 2018
    BEST ANSWER: Yes, if your receiver has preamp inputs.
    Does this amplifier auto switch 120V~240V? Want to give as a gift to a friend in NL.
    John Z on May 28, 2017
    BEST ANSWER: Thank you for your question. This amplifier will not support 240V. It would only support 100 ~ 120 VAC, 60 Hz.

    Should you require additional assistance, please reach out to our technical support team with a detailed question via any of the methods available here:


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    Does this system include a warranty?
    A shopper on Apr 1, 2017
    BEST ANSWER: Thank you for your question. Yes this system will have a 1 year warranty from the purchase date.
    4.6 / 5.0
    10 Reviews
    5 Stars
    4 Stars
    3 Stars
    2 Stars
    1 Star
    Here's what I think.
    It's an ok setup, could better and I'll explain. Monoprice is great about selling things you can use for less than other places charge, that's great and all but this setup has some things I don't like and I'll explain. I don't like these speakers this setup comes with, they feel cheap & without the bass control on the amplifier turned up to 4 they sound really tinny. Also the speakers this setup comes with distort with line level output going into the amplifier if you turn the volume knob too far on the amplifier, I doubt it's the amplifier I think it's the speakers being over powered cause they can't take that much power. I like the amplifier this setup comes with, I'm curious to see how it works with better speakers. The amplifier my setup came with has one issue though, one of the RCA jacks is not solid it moves slightly, I had my brother look at it and he docent think it will break so I'm ok with it. I would have gave this 5 stars if it had better speakers & that one RCA jack was solid & did not move slightly. I'm curious if you guys get good audio with both treble & bass knobs on 0 in the middle, thanks.
    April 18, 2017
    1 year ago
    Looks great, sounds okay
    Features-wise, this has everything I was looking for:
    1. compact
    2. built-in bluetooth
    3. simple controls

    ...Plus, the huge bonus: it's tube! It looks cool as all heck sitting on my shelf.

    Now, the reason it got three stars? It actually doesn't sound that great. I'm an audiophile (just a poor one lol), and this definitely misses the mark for me. For reference, I am comparing it to my Equator D4 nearfield monitors, the only other stereo system I have set up in my apt right now. The D4s sound *incredible*. But even without that comparison, it's pretty clear that this system falls flat.

    Drums sound amazing- probably better than any other system I've had. If you turn it up real loud, it gets better, but at low volumes there is a surprising lack of presence in the upper mids and a lot of muddiness in the bass. You can crank the HI EQ but it gets tinny real fast. In fact, the EQ controls aren't very useful at all because they seem to be on a tight Q.

    I haven't tried it with any speakers other than those included. I've also thought about swapping out the tubes, which I know from experience with my guitar amps can make a HUGE difference. IDK. If I could go back, I would probably buy it again just because it has the perfect mix of features. Form factor was a big selling point for me. But if sound is your only concern, look elsewhere.
    May 24, 2017
    1 year ago
    rich sound for the not so rich man
    This costs less than 1/30 of the money my friend has easily spent on his tube pre-amp, amp and speakers but the sound output is still simply amazing. All the ripped MP3 music from my CDs sounds so much richer and livelier now when streamed from my DLNA server. I just wish I had one of those bluetooth turntable so that I can use this to listen to all the vinyls! The small footprint of this setup also allows me to place it in on the side of my family room without making it look like a redundant system. You will never want to listen to any streamed music without it.
    June 13, 2017
    1 year ago
    Great company-they really care
    We had a problem with one amp and they paid for all shipping costs and made good for it without hassle. I love the amp and for the price you can't beat the speakers either. They sound great together. I would recomend this for anyone looking for a high quality sounding system at this price. For the size it goes louder than I thought it would keeping the quality sound the same. Fun piece of equipment. David
    April 11, 2017
    1 year ago
    50w tube stereo
    this stereo is excellent. I tell everyone how great it sounds. it is a great sounding system. I have a Bose wave system and it doesn't get played to often because of the blu-tooth the tube has. people cant believe how great it sounds.
    April 4, 2017
    1 year ago
    Frankly, I'm shocked.
    I love good audio. And I love the look of Tube amps. But the Hi-Fi versions I've seen costing 2-5k were ridiculously out of reach. I bought this one thinking, it's probably decent for the price. Wow. I was amazed. First, I love the tubes and the turn of the century style. Second, the sound is AMAZING for this size and priced amplifier. Third, this one has a bluetooth connector - which you HAVE to get. Connecting to my iphone is simple and it makes the mp3s sound better (thought the best sound is still going to be CD's or albums). In short - Get this amp and speaker set. seriously. And then find a great place in the room to display it.
    April 8, 2017
    1 year ago
    It was great sound with such a small amount of money spend on it.
    July 23, 2017
    1 year ago
    Warm sound comes through strong
    Use this in my office. Connect with no issues. Such a warm sound.
    June 3, 2017
    1 year ago
    Sounds great with subwoofer
    I had the 25 watt tube amp prior to this one but I gave it to my daughter to take to college. Glad I bought this one also.

    Pros: I didn't think that the bass was deep enough without sub woofer. Fortunately you can easily hook up a sub. I bought the Premium Select 8-inch 200-Watt Subwoofer and now it sounds
    great. Can't say enough about the sound quality.

    Love having the switch for direct input and bluetooth. Both sound great but the direct input can be very loud. Direct input is from my TV. Sound quality is excellent.

    Cons: There was a noticeable hum if you turned the volume to past 4/5th without input. I know, why would that matter. I bought some new tubes on ebay (< $20). Hum went away. See manual for tube types. I probably would not have noticed the hum when there was music playing at that high volume, but I was also curious to see if the tubes would make a difference.
    March 19, 2018
    6 months ago
    Nice unit
    A+ for everything except the bluetooth has be disconnected from the source to connect another bluetooth device (minor gripe)
    December 26, 2017
    1 year ago