From the manufacturer:

Imagine a professional instrument designed for advancing bass clarinet players and artists, alike. The Backun Alpha Low Eb Bass Clarinet utilizes the same acoustical design and durable key mechanism found on the Q Series Bass Clarinet as the foundation for this synthetic Low Eb version, which is available in two body configurations. Alpha Bass Clarinets feature a neck and bell that are crafted from brass and hand-finished, providing a vibrant tone and incredible projection. From a lightweight proprietary body to hardened and triple-strike plated key work available in durable nickel or bright silver plating, Alpha Low Eb Bass Clarinets are equally at home in the classroom, studio or outdoor concert venues.

Features:

Proprietary and lightweight two-piece precision machined body (one-piece body option avaliable to special order)
Sculpted under-cut tone holes with over-cut vented “wings” for optimized airflow
Elegant key work with triple-strike nickel plating
Neck and bell crafted from brass yielding a vibrant tone with great projection

Mechanics:

Triple register mechanism for unrivalled tuning
Articulated G# mechanism
Low Eb mechanism with ergonomic balanced action
Advanced adjustment screws that allow players to fine-tune their optimal setup
Adjustable ergonomic thumb rest and neck strap loop

Pads:

Custom black Valentino pads that are exceptionally durable

Includes:

Alpha Bass Clarinet Neck
Alpha Bass Clarinet Bell
Backun Low Eb Bass Clarinet long peg
ABS hardshell case
Polishing cloth
Large double-sided kite-style swab with dual pull tabs
Cork grease
Mouthpiece Kit (includes Backun Protégé Bass Clarinet Mouthpiece, fabric ligature, cap and Légère Bass Clarinet Reed)

**The total does not include shipping and taxes, which will be calculated and added at the conclusion of this transaction.**