Sonor Primary KSP 50 X Deep Bass Bar

The SONOR Primary KSP 50 X Deep Bass Bar adds rich, low-frequency resonance to Orff ensembles, providing the harmonic foundation that supports melodies played on xylophones, metallophones, and glockenspiels. Crafted from FSC®-certified Pao Rosa wood with a precision-engineered birch resonator box, it delivers outstanding tone, projection, and classroom durability.

Complete your Orff instrumentarium with the foundation every great ensemble needs.

Deep bass bars are one of the most effective ways to expand an Orff classroom. Their rich, resonant sound anchors the ensemble while giving students an opportunity to perform bass lines, borduns, ostinatos, and harmonic accompaniment. Whether you're adding a single replacement pitch or building a complete bass collection, the SONOR Primary KSP 50 X delivers the exceptional craftsmanship and musicality educators expect from SONOR.

Why Teachers Choose the SONOR Primary Deep Bass Bar

The Primary Series combines premium materials, environmentally responsible construction, and acoustical engineering to create instruments that are both durable and highly musical. The KSP 50 X features an FSC®-certified Pao Rosa sound bar paired with a carefully designed birch resonator box that maximizes projection and tonal warmth.

• Produces a warm, powerful deep bass tone
• Perfect for borduns, bass lines, and harmonic accompaniment
• Precision-tuned Pao Rosa sound bar for exceptional musicality
• FSC®-certified materials throughout the instrument
• Environmentally responsible Primary Series construction
• Ideal for elementary music and Orff Schulwerk classrooms

Educational Benefits

Many Orff ensembles begin with soprano instruments, but adding bass voices dramatically changes the overall sound. Deep bass bars help students understand harmonic function, strengthen rhythmic independence, and experience the important role of the bass line in ensemble music. They're ideal for teaching bordun patterns, accompaniment, pedal tones, and foundational harmony.

• Bordun patterns
• Bass ostinatos
• Harmonic accompaniment
• Pedal tones
• Ensemble balance
• Listening skills
• Elementary music education
• Orff Schulwerk instruction

Primary Series Construction

SONOR Primary instruments are designed with both musical excellence and sustainability in mind. Each bass bar is crafted from FSC®-certified Pao Rosa hardwood and mounted on an FSC®-certified birch plywood resonator box assembled using fully glued seams rather than screws. This construction creates a stronger, more acoustically efficient resonance chamber while ensuring years of dependable classroom performance.

Each sound bar features centered note names and notation symbols to reinforce music reading and help students connect written notation with the instrument.

Available Pitches

The SONOR Primary KSP 50 X Deep Bass Bar is available in ten individual pitches:

• C
• D
• E
• F
• F#
• G
• A
• Bb
• B
• C1

If your classroom requires an even lower register, consider the SONOR Primary KSP 60 X Contra Bass Bars or the SONOR Primary KSP 100 X Sub-Contra Bass Bars for the deepest bass foundation.

Specifications

• Model: KSP 50 X
• Series: SONOR Primary
• Type: Deep Bass Bar (Xylophone)
• Individual pitch sold separately
• Available in 10 pitches (C through C1)
• Overtone tuning
• 44 mm × 20 mm FSC®-certified Pao Rosa sound bar
• FSC®-certified birch plywood resonator box
• Centered note names and notation symbols
• Mallets not included
• Recommended mallet: Soft yarn bass bar mallet (such as Basic Beat Item 261021)

Complete Your SONOR Primary Classroom

• SONOR Bass Xylophones
• SONOR Orff Instruments
• SONOR Classroom Bundles
• Why Balance Matters in an Orff Classroom
• Why Start with the Soprano Instruments?

Why Buy from Teton Music?

Since 1999, Teton Music has helped schools build balanced, inspiring Orff classrooms with expert guidance and personalized service. As an authorized SONOR dealer, we offer educator discounts, school purchase orders, and recommendations to help you choose the right instruments for your students and budget.