Leak Sandwich 250 is a 3-way Passive Bass Reflex Bookshelf speaker by Leak. It was released in February 2024. It features a 1.2" Dome Tweeter, 1 x 4.25" Midrange and 1 x 11" Aluminium-Foamcore Sandwich cone Woofer. The speaker has a frequency range of 42Hz-26kHz and a sensitivity of 88.5 dB. Leak Sandwich 250 has an MSRP of 2399$ per pair.
Room Size Suitability
The size of the room where you plan to use the Leak Sandwich 250 is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
| Listening Environment* |
Suitability |
| Near-field | Poor |
| Small Room | Poor |
| Mid-size Room | Good |
| Large Room | Good |
| Very Large Room | Average |
(* 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.)
Leak Sandwich 250 Speaker Structure
Leak Sandwich 250 Lifestyle
Leak's Sandwich Series of Loudspeakers
Sandwich 250 is a member of Leak's Sandwich series of Passive speakers. The Sandwich are Leak's heritage speakers, reviving the brand's classic sandwich-cone driver design. Below you can see the main specs of these speakers.
Leak Sandwich Series Speakers
Frequency Response of the Leak Sandwich 250 Speaker
Leak Sandwich 250 has a Frequency response range of 42Hz-26kHz and Power Range of 25-250 watts. With a minimum frequency of 42 Hz, Sandwich 250 delivers deep bass that will likely satisfy most listeners, especially those who enjoy music. However, movie enthusiasts and music fans who prefer a full range of sound may still benefit from adding a subwoofer.
Here we have a comparison of how Sandwich 250's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Bookshelf Speakers
Thinking about a subwoofer for the Leak Sandwich 250?
Crossover frequency of the Leak Sandwich 250?
Sandwich 250 is a 3-way speaker and its crossover frequency between the woofer and the midrange is set to 470 Hz and the crossover frequency between the midrange and the tweeter is set to 3100 Hz.
Impedance and Sensitivity
Leak Sandwich 250's nominal impedance level is
4 ohms and has a sensitivity of
88.5 dB.
Sensitivity
Bookshelf Speakers
Nominal Impedance of the 4 Ohms means that the Leak Sandwich 250 is a difficult to drive speaker from nominal Impedance perspective, make sure that you choose an amplifier than can provide 4 Ohms for this speaker.
Many AVRs (audio/video receiver) in the market may have difficulty when the speakers dip below the 4 Ohms levels (this may cause clipping or even physical damage), so we recommend to not pair the Leak Sandwich 250 with an AVR but use an Integrated Amplifier instead.
Sensitivity
89dB of the Leak Sandwich 250 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the Leak Sandwich 250 plays in your room →
Running more than one pair from a single amplifier? Check the load it would present →
What amplifier does the Leak Sandwich 250 need?
At normal listening levels in a medium room, about
19–250 W
per channel into 4 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $3,000, or every amplifier we cover.
Input Type
Sandwich 250 features Binding post type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
Leak Sandwich 250 Back View
Leak Sandwich 250 External Dimensions and Weight
Leak Sandwich 250 has external dimensions of (Height x Width x Depth) 25.8 x 14.6 x 11.8 inch (655 x 370 x 300 mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of Leak Sandwich 250 is approximately 1110.0cm2 / 172.1inch2.
To get a better perspective on the real life size of Leak Sandwich 250, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).
Leak Sandwich 250 Speaker Size Compared to a Compact Disc
Here we place the Leak Sandwich 250 virtually next to a standard width amplifier and turntable on a BDI Octave Media Cabinet to get a better idea about the size.
Leak Sandwich 250 Speaker next to an amplifier and turntable
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe Leak Sandwich 250 weighs 27.30kg / 60.1lbs per piece. Here is a comparison of how Sandwich 250's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Weight
Bookshelf Speakers under $3000
Cabinet type and Materials
Leak Sandwich 250 has a
Bass Reflex type cabinet and a real-wood veneer finish. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.
Speaker Feet
Leak Sandwich 250 comes with Rubber feet which you can use to secure your loudspeaker on the surface that you are putting on.
It is always recommended to use some kind of feet under all types of speakers. Besides limiting the movement of the speakers, it also compensates for non-flat surfaces and limits the contact surface area of the speaker. Rubber based feet also help isolating the vibrations within certain frequency ranges.
Port Position
Leak Sandwich 250 is a rear-firing port speaker so you have to make sure you leave enough space between the back of the speaker and wall or bookshelf so that it has room to breathe.
Available colors
Leak Sandwich 250 is available in walnut.
Wall Mounting
Sandwich 250 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.
Speaker Stands
Leak sells a dedicated speaker stand for the Sandwich 250 with a model name
Sandwich 250. You can check the latest price and availability of these stands at
B&H PHOTO and
Amazon.
Sandwich 250 Speaker Stands for Leak Sandwich 250
Does the Leak Sandwich 250 come with a Grille?
Sandwich 250 comes with grilles in Black color choices. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.
Leak Sandwich 250 with Grille
Recommended Accessories
Here is a list of accessories that we think you may need for the Leak Sandwich 250.
- Speaker Cable and Connectors
- Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
- Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.
- Speaker Stands: Stands bring your bookshelf speakers to ideal height (rule of thumb is to have the tweeter level with your ear in your listening position), helps stability and acoustical isolation.
Official Product Page
Official manufacturer's product page for the Leak Sandwich 250 speaker can be found below:
Official Product Page for Leak Sandwich 250
Leak Sandwich 250 Lifestyle