Monolith Liquid Spark head amp for $62 w/FS

We are developing a bit of a head-amp theme today! Monoprice is having a sale on their new condition Monolith Liquid Spark Headphone Amplifier by Alex Cavalli for $62 with FREE standard US shipping. As of the time of writing it averages 4.7 out of 5 based on 70 customer reviews, and it has about that many answered questions.

Speaking of Monoprice, also on sale are their new condition Monolith M1000ANC ANC/BT over-ears for $42 with free standard US shipping. These average 4 out of 5 based on 12 customer reviews. They come with a USB-C charging cable, carry bag, and 3.5mm audio cable.

PS: slapping the Monolith brand on everything increases the risk of diluting the power of the brand…

Open Box sale at

If you want to get your hands head on some of the audiophile-discussed-and-debated headphones but don’t want to pay full price, the online shoppe is currently running an open box sale featuring models from Focal, Hifiman, Audeze, Meze, Moondrop, Hennheiser (typo intended?), and more.

There’s two pages of offerings, too many to list here individually. is the online shop that is running/sponsoring the popular among enthusiasts “The Headphone Show” YouTube channel, where, ICYMI, they just posted a video with Dr Sean Olive of House Harman and Crinacle, YouTube-embedded below:

Wedn: Polsen 4-channel head amp for $20

For Wednesday 3/15/2023, one of the B&H Photo daily deals is the new condition Polsen HMA-41 4-Channel Stereo Headphone Amplifier going for $20. AC power adapter is included, along with four 3.5mm to 6.3mm adapters and a 2-prong audio cable too!

All its outputs and its input are 1/4″ (6.3mm), that’s why it includes the four adapters. Other amps in this tier do not include the adapters. Each output has its own volume control, sliders, instead of knobs.

As of the time of writing it averages 4 out of 5 based on 9 customer ratings and it has a couple of answered questions.

Needless to say, this is more of utilitarian interest, don’t throw away your $1000+ headphone amps 🙂

Monday ebook: Debbie Harry autobiography for $3

If you like reading about musicians, the Debbie Harry autobiography, “Face It: A Memoir” is a kindle daily deal for Monday 3/6/23 for $3. This is a October 2019 by Dey Street, 366 pages and as of the time of writing a 4.4 out based on over 4000 customer ratings…

Hifiman HE6se V2 for $599

Planar time again, of the open-back variety. As of the time of writing Adorama is offering the new condition wired open-back over-ear planar-magnetic Hifiman HE6se V2 for $599. You can also get it at this price by Adorama thru Amazon

Auray COHH-2R Clamp-On Dual Headphone Holder for $13

Good until Saturday 3/4/23 at 11:59pm ET, as one of their featured deals, B&H Photo of New York is offering their house brand product, in new condition, the Auray COHH-2R Clamp-On Dual Headphone Holder for $13.

Sennheiser HD 599 Open Over-Ears for $116

While the hype machine is revving up for the new HD 660 S2 [see our in-stock alert], Sennheiser is also quietly giving practical discounts on some of its other open-back headphones. Case in point, the new condition HD 599 over-ears in the ivory color-scheme is going for almost $116 at Amazon by Amazon actual, with up to three per customer.

It looks like this may be a price-match of a marketplace seller, but that’s just my speculation…

AKG K240 Mark II Studio Headphones for $60

For a limited time, the Adorama daily deal is the new condition semi-open over-ear AKG K240 Mark II studio headphones for $60. That’s the Mark II model. Check your favorite forums for Austria and China and other assortedly related discussions on this 🙂

Now shipping: Sennheiser HD 660 S2

Hide your e-wallets! IF you cannot wait to get your head and hands and ears on this, the highly anticipated Sennheiser HD 660 S2 open-back over-ears wired headphone is here, at the early adopter price of $600 AND more importantly it is currently in-stock and shipping at its starting price of $600 at Amazon and at B&H Photo

Why this and why at this price over the many other options out there? This question has been answered, is currently being answered, and will also be getting answered in the future, just check your favorite audio forums, blogs, YouTubes and social media!

Sennheiser HD 560 S Open Over-Ears for $146

Speaking of the Sennheiser open-backs, let’s revisit them, if it’s the HD 560 S the one you want, it is currently going for $146 by a trio of sellers at the Amazon website, including Amazon herself and World Wide Stereo.

Sennheiser HD 650 Open Over-Ears for $299

IF of all the Sennheiser open-back headphones it is the HD 650 the one you want, in new condition, it is on sale for a limited time for $299 at Adorama as one of their daily deals…

Why this and not the other HD options from Sennheiser or from Hifiman or from any of the other makers? well, there many and more forum threads and comment sections discussing this ab eterno 🙂

Wedn eBook: Prince: All the Songs: The Story Behind Every Track for $2

It’s ebook time again! For Wednesday February 22 in 2023, one of the Amazon Kindle deals of the day is the “Prince: All the Songs: The Story Behind Every Track” eBook going for $2, by Benoit Clerc, October 2022, Mitchell Beazley (the publisher, or the publizher ;-), 648 pages, averaging 4.8 out of 5 based on 141 purple rain ratings.

Monday: 2pk of JVC truly wireless, 3 options, $20 to $30 + S&H

JVC truly-wireless is the theme of the day at the Monday February 20 (2023) Meh deal of the day. A 2-pack of their truly-wireless can be had from $20 to $30 plus shipping.

Three options are available, each 2-pack is two of the same model. The options are the Gumy Mini, the “truly wireless” (no fancy name for these) and the Marshmallow (do not eat these!!!).

AKG K612 PRO Open Over-Ears for $129

It looks like we have a sale and a price-match at the same time! The AKG K612 PRO open-back over-ear headphones are currently a daily deal sale for $129 at Adorama but at the same time, it looks like they may have been price-matched at Amazon as well.

There are countless open-back options in the market these days, and countless forum posts and countless YouTube videos to help you decide 🙂

PS: speaking of AKG, for a limited time, a 25% off clip-on coupon drops the price of the good old new condition AKG K240 studio headphones from $79 to $59~ at B&H Photo…

FREE 3-month Pandora Premium (Groupon)

Thanks to Groupon, you can grab a FREE 3-month Pandora Premium music subscription thanks to this Groupon promotion. The Premium is their full service subscription tier, and the only one a true music fan should have!

I’m saying this because they also have a Plus tier that is ad-free but limited in what/how you can listen. Just say NO to this halfway subscriptions!

Hifiman Week at Massdrop

Massdrop is celebrating Hifiman this week, and they are running special promotions on select Hifiman headphones including:

+ HE-R7DX closed for $79
+ HE-X4 planar for $100
+ HE-4XX planar for $159
+ HE-5XX planar for $179
+ Dekoni pads for HE-series for $35

Panasonic RP-HT21-M [mic/remote] Lightweight On-Ears for $8

An old has been resurrected because of the mic/button technology! And it’s currently on sale at Amazon. It is the mic/single-button version of the good old lightweight on-ear Panasonic RP-HT21, with an “M” appended to its name for the Mic/Remote, currently on sale for $8 at Amazon by Amazon actual with up to four per customer at the sale price.

According to Amazon’s product page, I bought the old non-mic/remote version of this about ten years ago. A blast from the past type of a featherweight headphone!

Philips X3 Open Over-Ears for $150

If of all the open-back dynamic over-ear headphones it is the Philips X3 the one you want, you can get it, in new condition, for a limited time, for $150 at the Amazon website, sold by marketplace seller PhotoTech and the order fulfilled by Amazon (eligible for the Prime shipping benefits).

Why this and not one of the many other open-back headphones? Well, that’s why headphone forums exist 🙂

Monolith Liquid Spark Headphone Amp for $80 w/FS

For a limited time, the Monoprice website is offering the new condition Monolith Liquid Spark Headphone Amplifier by Alex Cavalli for $80 with FREE standard US shipping. Up to twenty per customer at the sale price. It averages 4.7 out of 5 based on 67 customer reviews and it has 110 answered questions over there.

PS: Alex Cavalli himself NOT included with purchase 😉

eBook: The Complete Classical Music Guide for $2

Good for Thursday 2/2/23, one of the Amazon Kindle ebook deals of the day is the “The Complete Classical Music Guide” by DK going for $2. This is 354 pages, published in August 2020 and averaging 4.7 out of 5 based on 166 customer ratings as of the time of writing.

You can use the “Look Inside” feature to get a better feel for the ebook and/on send a Kindle sample to your ereader or Kindle reader apps…

Coupons: Free Shipping (USA) at Massdrop, also Free International Shipping on $50+

The Massdrop website is offering the coupon-gift of free shipping for one week only, until 1/29/23 at 11:59pm pacific time! There are two coupon offers.

For USA shoppers, coupon code NOMOREOUTAGES gets you free shipping regardless of purchase price. But if your order is over $125, you get faster free shipping.

For International shoppers, coupon code INSTOCKREADYTOSHIP gets you free shipping if your order total is $50+ AND if you order five items or fewer.

As usual, terms, conditions, restrictions, limitations, etc, etc, etc apply…

Hifiman B-stock sale: HE400SE for $79, Sundara $209, Etc

The official Hifiman online store is having a B-Stock Clearance sale that ships to USA, EU, UK, and Canada. As of the time of writing, they have these offers:

+ HE-400-SE for $79

+ HE-4XX for $89

+ Sundara for $209

+ Edition XS for $399

+ Ananda Non-Stealth for $429

+ Ananda Stealth for $509

FURTHER DOWN that page, they have sales on new condition products, including the wired DEVA for $159, the EF-400 for $529, the wired HE-R9 for $249, and the wireless HE-R9 for $439.

EVEN FURTHER DOWN over there, they have open-box deals, 28 of them as of the time of writing…

Tascam TH-300X Studio Headphones for $29

Good until Friday 12/30/22 at 8am ET or earlier if sold out, the Musician’s Friend daily deal is a recurring offer on their website, the new condition closed-back wired over-ear Tascam TH-300X studio headphones going for $29.

They also go by other names ~ in case the design looks familiar. I believe I had a CAD variant of these once upon a time, but I recall little and less about them.

Monolith Planar Headphones sale

Santa is a …Monolith and it’s bringing a Monolith headphone sale at the Monoprice website that among others includes:

+ M565C planar closed over-ears for $160

+ M570 planar open over-ears for $180

+ M1060 planar open over-ears for $240

+ M1060C planar closed over-ear for $250

+ M1070 open or M1070C planar over-ears for $280 each

+ M1570 open or M1570C planar over-ears for $380 each

+ Monolith AMT headphone for $700

+ five DAC/amps of the Liquid, Cavalli and THX kind

+ speakers and subwoofers as well

+ this is a limited time sale
+ I do not know the expiration date

Monday: refurb JBL Studio PRO wireless for $20 + S&H

A utilitarian bluetooth headphone of the USB-C charging kind is the Meh daily deal for Monday 12/19/22 in the eastern time zone!

It is the refurbished with a 90-day warranty JBL Studio PRO wireless going for $20 plus shipping. It is bluetooth 5 with USB-C charging but only supports the basic audio protocols (no apt-X/AAC). It promises over 50 of wireless playback time (if the stars align ~ as usual with these type of promises).

NOTE: nothing else is included apart from a USB-C charging cable.

In new condition it currently goes for twice the price at where you can find over 2200 customer ratings with a 4.3 out of 5 average and 66 answered questions.

Beats Solo 3 (W1) Wireless On-Ears for $99

Yes, I know, “Beats and Bose, they break my audiophile bones” but for a limited tine, Amazon proper is offering the new condition Beats Solo 3 bluetooth closed-back on-ears, with the Apple W1 chip, in the black and gold color-schemes, for $99, with up to four per customer. The other two colors go for more…

Sunday: Senal SMH-1200 Studio Headphones for $50

Good until Sunday December 11 in 2022 at 11:59pm eastern time, you can get the new condition wired Senal SMH-1200 closed-back over-ear studio headphones for $50, in your choice of three color schemes.

They come with two cables, a carry pouch, and a 3-year warranty.

Monday eBook: Rock-n-Roll 65-75 for $3

Good for Monday 12/5/22, one of the Kindle daily deals, is the So You Think You Know Rock and Roll?: An In-Depth Q&A Tour of the Revolutionary Decade 1965–1975 for $3 by Peter E. Meltzer, from Skyhorse Publishing (June 2017), 442 pages, and it averages 4.4 out of 5 based on 44 customer ratings.

Saturday: Led Zeppelin – The Biography for $2

Good for Saturday 11/26/22, Amazon is offering in Kindle ebook format Led Zeppelin – The Biography by Bob Spitz for $2. It averages 4.7 out of 5 based on nearly 800 customer ratings. This is Penguin Press, November 2021, 687 pages. A few more and GRRM could have written it 😉

Sennheiser BF sale includes HD 560S for $150

The Sennheiser sale at Amazon includes many well-known non-Massdrop Sennheiser headphones, from the consumer and Momentum but also the open-back tiers! Among them you can find the plushy earpad HD-400S for $50, the open-back HD 599 SE for $90, some bluetooths, some earphones and TWs and also *drum roll* the open-back HD 560S for $150…

You can also find the HD560S for $150 at other authorized dealers such as B&H Photo and also at Adorama

Headphones at Amazon’s Black Friday

Black Friday offers are coming in fast and furious, until I can find time to digest them all, here is a link to the Amazon headphone offers, there’s six pages of them, this is a mix of their BF offers along with their more traditional “Gold Box Lightning” deals.

It’s also a mix of name-brands and unknown brands. Well there’s “unknown” and unknown, and some non-designer brands have made a name for themselves at Amazon by offering bang for the buck type of products that the name-brand manufacturers cannot compete with.

Ends Thur 10am ET: Bose QC45 for $230 AC

In a flash sale that ends on Thursday 11/24/22 at 10am eastern (or earlier if sold out), B&H Photo of House New York is offering the new condition “white smoke” Bose QC45 ANC/BT Over-Ears for $230 after an automatic in-cart coupon. You don’t have to type a coupon code. While this offer is running, the coupon will be added when you “add to cart”.

PS: all apologies to the “Beats and Bose, They Break My Bones” crowd 😉

Philips Open-Back Sales (multilpe options)

Partaking in the Black Friday festivities is Philips with some of their open-back headphones at the Amazon website. Prices are as of the time of writing of this blog-post, and as always (and as with everything in life), they are subject to change at any time and for any reason 🙂

+ three models on the same listing:
++ SHP-9500 for $63~
++ SHP-9600MB for $75
++ SHP-9600 for $85

+ Fidelio X2HR for $125
+ on the same listing, Fidelio L2 for $64

+ renewed Fidelio X3 for $105 by marketplace seller (not Amazon proper) for $105
+ customer reviews say this renewed option does NOT include the balanced cable

+ new condition Fidelio X3 from the usual suspects (“Phototech”) for $155
+ “USED – Like New” from “Phototech” direct for $100

This last one is not open-back, but I didn’t want to create a separate post for it, it’s the new condition Fidelio L3 ANC/BT over-ears going for $150.

Sennheiser HD25 SE Closed On-Ears for $100

Sennheiser time at the Amazon Black Friday, a little bit of a deep cut type of a headphone. It is the new condition Sennheiser HD25 Special Edition going for $100. This is a closed-back wired on-ear headphone of course.

Wedn: Shure SE-486 IEMs w/RMCE-UNI cable for $499

Good until Wednesday at 11/23/22 at 11:59pm eastern (or before that if they manage to sell out), B&H of House New York is offering the new condition Shure SE-486 in-ears for $499 with free US shipping in three color options with the RMCE-UNI cable (black, blue, clear) and one option without it (Clear)