In this review, we will be comparing HDI-1600 and R3, two Passive Bookshelf speakers from JBL and KEF.
Let's have a brief look at the main features
of JBL HDI-1600 and KEF R3 first before getting into our more
detailed comparison.
| Key Specs | JBL HDI-1600 | KEF R3 |
|---|
| Brand | JBL
United States · founded 1946 | KEF
United Kingdom · founded 1961 |
|---|
| Design | 2-way | 3-way |
|---|
| Uni-Q driver | — | 12th Generation Uni-Q |
|---|
| Tweeter | 1" Horn-Loaded | 1" Dome |
|---|
| Midrange | — | 5" |
|---|
| Woofer | 6.5" Aluminum | 6.5" Hybrid aluminum |
|---|
| Frequency response | 40-30k Hz | 52-28k Hz |
|---|
| Sensitivity | 85 dB | 87 dB |
|---|
| Impedance | 4 ohms | 8 ohms |
|---|
| Power range | 15-200 watts | 15-180 watts |
|---|
| Weight | 9.98kg / 22lbs | 13.55kg / 29.8lbs |
|---|
| Dimensions (H x W x D) | 15-1/16" x 9-1/8" x 11-3/8"
383.0 x 232.0 x 289.0mm | 16-5/8" x 7-13/16" x 13-1/4"
423.0 x 199.0 x 337.0mm |
|---|
What size room are the JBL HDI-1600 and KEF R3 speakers good for?
The size of the room in which you are planning to use these loudspeakers is an important decision
factor. Here we have compared their suitability to various sizes of environments considering their size
and max power parameters:
| Listening Environment* |
JBL HDI-1600 |
KEF R3 |
| Near-field |
Poor |
Poor |
| Small Room |
Average |
Average |
| Mid-size Room |
Good |
Good |
| Large Room |
Average |
Average |
| Very Large Room |
Poor |
Poor |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2,
Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: >
400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual
listening experience changes depending on floor height, room shape, surface materials, listening
position, speaker locations, etc.)
The sections below take each area in turn: drivers, frequency response, physical size and what you get in the box.
Drivers
One of the fundamental differences between these two speakers is that HDI-1600 is a 2-way design whereas the R3 is a 3-way speaker. 3-way designs utilize a midrange driver in addition to the tweeter and woofer on 2-way designs. Designing a crossover for a 3-way speaker is a complicated process and generally increases the overall cost of the speaker.
JBL HDI-1600KEF R3
TweeterMidrangeWoofer
Front view, drawn to scale - cabinets and drivers share one scale, so sizes are directly comparable. Hover a driver for its size.
| Driver |
JBL HDI-1600 |
KEF R3 |
|
Driver Setup
|
2-way
|
3-way
|
|
Tweeter
|
1-inch
|
1-inch
|
|
Midrange
|
- |
1 x 5-inch |
|
Woofer
|
1 x 6.5-inch
|
1 x 6.5-inch
|
HDI-1600 features a 1" Horn-Loaded Tweeter and 1 x 6.5" Aluminum Woofer. On the other hand, the R3 features a 1" aluminum Dome Tweeter, a 5" Midrange and 1 x 6.5" Hybrid aluminum Woofer with a Crossover frequency at 400Hz and 2900Hz.
Frequency Response
HDI-1600 has a frequency range of 40-30k Hz whereas R3 has a frequency range of 52-28k Hz. With a minimum frequency of 40Hz, the HDI-1600 can go significantly deeper on the low side and provide stronger bass compared to the R3's min frequency of 52Hz.
The graph below depicts how these two speakers compare with the max, min and average Low Frequency values of other speakers in the Bookshelf class in our database.
Low Frequency
Bookshelf Speakers
Neither pair reaches down to 20Hz, the usual definition of full-range, which is normal for speakers of this size. If you want the bottom octave for movies or bass-heavy music, add a subwoofer to whichever you choose. Visit our Powered Subwoofers section to find out more about the available options.
Impedance and Sensitivity
HDI-1600 is a 4 ohms speaker compared to the R3 which has a nominal impedance of 8 ohms. Lower impedance speakers, especially the ones that are rated at 4 ohms may put more pressure on the amplifier unit especially when played at high volume levels, so make sure the amp you pair with the HDI-1600 can provide this impedance level.
These two speakers also have different sensitivity levels. HDI-1600 sensitivity is rated at 85 dB and the R3's is rated at 87 dB. This 2 dB difference makes the KEF R3 a more sensitive speaker compared to JBL HDI-1600, hence will play louder with the same amount of watts.
Sensitivity
Bookshelf Speakers
Power Range
Power
range is the range of input power in watts RMS that a loudspeaker is designed to handle. Staying
within that range gives nominal performance; driving the speaker beyond its maximum wattage can damage it.
HDI-1600 can handle a max power of 200 watts RMS, whereas R3 has a max power handling value of 180 watts RMS, 20 watts less than the HDI-1600.
Note that higher power handling does not make a speaker louder: that depends mainly on
sensitivity and impedance. The calculator below shows how loud each of these actually plays
on a real amplifier.
Which plays louder on your amplifier?
Starting with a popular amplifier - change it to the one you own, or any you are
considering, and watch both numbers move.
Input Type and Bi-Amping / Bi-Wiring
Both HDI-1600 and R3 features dual binding post speaker terminals for bi-amping or bi-wiring.
JBL HDI-1600's 5-way post terminals allows Bi-amping or bi-wiring
Cabinet Type and Port Position
Both HDI-1600 and R3 have rear firing ports. Rear ported speakers generally need more room between the backside of the speaker and the wall compared to sealed and front/bottom ported speakers. Placing the speakers too close to the walls may cause the bass to sound boomy.
If you are limited in space and can't get the speakers away from the backwall, check our Speakers with Front Firing Ports page.
KEF R3 Port
Physical Specs
The size of a speaker can sometimes be an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare JBL HDI-1600's and KEF R3's external dimensions. JBL HDI-1600 has external dimensions of 383.0 x 232.0 x 289.0mm (15-1/16 x 9-1/8 x 11-3/8inch) whereas KEF R3 has external dimensions of 423.0 x 199.0 x 337.0mm (16-5/8 x 7-13/16 x 13-1/4inch).
JBL HDI-1600 is 40mm shorter and 48mm less deeper than KEF R3 but it is also 33mm wider.
Below you can see the front view size comparison of JBL HDI-1600 and KEF R3 in scale.
Comparison image of JBL HDI-1600 and KEF R3 Size and External Dimensions
Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base surface area of the JBL HDI-1600 is approximately 670.5cm2 / 103.9inch2 and base area of the KEF R3 is approximately 670.6cm2 / 103.9inch2. The HDI-1600 requires 0% less surface area than the R3 which gives it a small advantage on placement in tight spaces.
Here is another comparison that shows both speakers on a BDI Octave Media Cabinet, next to a standard size amplifier and turntable in scale:
Size Comparison image of JBL HDI-1600 and KEF R3 on a Media Console
Weight Comparison The weight of a loudspeaker can become an important factor if you need to move and reposition the unit often. Weight of a speaker can also "sometimes" be an indicator of the rigidity of the enclosure and the quality of the internal components used. The JBL HDI-1600 weighs 9.98kg / 22lbs and the KEF R3 weighs 13.55kg / 29.8lbs. This makes the R3 36% heavier than the HDI-1600.
Here is a comparison of how HDI-1600 and R3's weights compare with the average, max and min weights in Passive Bookshelf class.
Weight
All Bookshelf Speakers
What's in the Box of JBL HDI-1600?
Here are the items that are included inside the box of HDI-1600:
- Bookshelf loudspeaker
- Grille
- 2 Jumper-straps (pre-installed)
- 4 Self-adhesive rubber feet
- Owner's Manual
What's in the Box of KEF R3?
Here are the items that come with the R3:
- 2 Bookshelf loudspeakers
- 2 Grilles
- 2 Foam port plugs
- 8 Self-adhesive rubber feet
- User Manual
- Warranty Information
 Max Input Power |
200 watts
vs
180 watts
|
Handle more power from your amplifier |
 Low Frequency Response |
40 Hz
vs
52 Hz
|
Generates deeper bass |
 High Frequency Response |
30k Hz
vs
28k Hz
|
Generates higher frequency |
 Height |
383mm
vs
423mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
670cm2
vs
670cm2
|
Takes less floor space |
 Price per pair* |
1980USD
vs
2200USD
|
costs less (*prices may change depending on the seller, location and time) |
 Driver Setup |
3-way
vs
2-way
|
Have a dedicated mid-range driver |
 Sensitivity |
87 dB
vs
85 dB
|
Play louder with same amount of amplification power |
 Nominal Impedance |
8 ohms
vs
4 ohms
|
Less selective with amplifiers |
| General |
JBL HDI-1600 |
KEF R3 |
| Brand |
JBL |
KEF |
| Speaker Type |
Bookshelf speakers |
Bookshelf speakers |
| Power Range |
15-200 watts |
15-180 watts |
| Sensitivity |
85 dB |
87 dB |
| Impedance |
4 ohms |
8 ohms |
| Impedance |
n/a |
3.2 ohms |
| Frequency Response |
40-30k Hz |
52-28k Hz |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
6.5" |
6.5" |
| Woofer Composition |
Aluminum |
Hybrid aluminum |
| Woofer Surround Material |
Rubber |
Rubber |
| Tweeter Size |
1" |
1" |
| Tweeter Type |
Horn-Loaded |
Dome |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
5" |
| Crossover Frequency |
n/a |
400Hz and 2900Hz |
| Firing Direction |
rear |
rear |
Physical Specs |
|
|
| Height |
383.0mm (15.1") |
423.0mm (16.7") |
| Width |
232.0mm (9.1") |
199.0mm (7.8") |
| Depth |
289.0mm (11.4") |
337.0mm (13.3") |
| Weight |
9.98kg (22lbs) |
13.55kg (29.8lbs) |
| Enclosure |
Bass Reflex |
Bass Reflex |
| Finish |
MDF/Wood-veneer |
MDF/Lacquer |
| Available Colors |
Walnut,Black,Oak |
Black Gloss, White Gloss, Walnut |
| Mounting Bracket |
No |
No |
| Recommended Stand Height |
22-26" |
n/a |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
| Biamp Inputs |
Yes |
Yes |
Other |
|
|
| Parts Warranty |
5 Years |
5 Years |
| Labor Warranty |
5 Years |
5 Years |
No single best speaker here - they are built to different priorities, and the right one depends on your room, your amplifier and what you listen to.
| Area | Better | Why |
|---|
| Bass | A | JBL HDI-1600 digs deeper - 40Hz against 52Hz. |
| Amplifier needs | B | KEF R3 is more sensitive (87dB vs 85dB), so it goes louder on the same amplifier. |
| Amplifier match | B | KEF R3 is the easier load at 8 ohms; the other is 4 ohms and wants an amplifier rated for it. |
| Headroom | evenly matched | Similar power handling (200W vs 180W). |
| Size | depends | Similar cabinet size - neither is easier to fit. |
| Expandability | depends | JBL HDI-1600: bi-amping; KEF R3: bi-amping. |
| Price | A | JBL HDI-1600 is cheaper - $1,980 against $2,200, about 10% less. |
A JBL HDI-1600 B KEF R3
depends neither is better in the abstract - it turns on your room, your system or how you will use them. Only specs published for both speakers are judged; anything missing on either side is left out rather than guessed.
Which should you choose?
The usual trade-off: KEF R3 measures better, JBL HDI-1600 costs about about 11% more% less. Whether that gap is worth the money is the call only you can make - and in a normal room it is often smaller than the numbers suggest. If a subwoofer is in your plans, the bass gap largely stops mattering - you would be crossing over above 52Hz anyway, so judge these on the other rows instead. If your amplifier is modest, vintage or valve-based, KEF R3 is the safer partner - the other will want more current or more watts to sound its best.
And remember what a spec sheet cannot show: how each looks in your room and whether the finish suits it, what dealer support and warranty are like where you live, and how they actually sound to you. If you can hear them first - ideally with your own music - that will tell you more than any number above.